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whole house water filter
iSpring WCB32O 3-Stage Whole House Water Filtration System w/ 20” x 2.5” Oversized Fine Sediment and Carbon Block Filters (WCB32O)
  • [Protect Your Family and Household Appliance from Sediment, Chlorine, and More] Say goodbye to smelly, bad tasting water! Our system removes up to 99% of chlorine from water as well as sediment, rust, pesticides, herbicides, industrial solvents, and various other contaminants. This system is installed at the main water supply line in order to treat all the water in your home.
  • [DIY Installation and Maintenance] Refer to our manual and our helpful YouTube videos for DIY installation. 3/4 inch NPT inlet/ outlet, water flow: up to 12 GPM. The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use.
  • ]The first stage polypropylene sediment filter is able to achieve filtration down to 5 microns. The second and third stage CTO Carbon Block filters are made of coconut shell carbon to increase filtration efficiency and extend filter life. Both are tested by an independent third-party to meet NSF/ANSI standards. Both filters have a capacity of 30,000 gallons of water, enough to supply a family of four with clean water for half a year.
  • [Peace of Mind Customer Service] Register online to activate your 1-year manufacturer warranty and life-time free tech support from U.S. local support team. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help!
  • [Please Note] Unlike an RO system, this system will NOT reduce Total Dissolved Solids (TDS). If you are interested in a filter that removes TDS consider our iSpring Reverse Osmosis systems.
  • $167.99
    iSpring F2WGB21BPF 2-Stage Whole House Water Filter Replacement Set for WGB21B-PF,Reduces up to 99% PFAS (PFOA/PFOS), 10” x 4.5” Filters, 1" Inlet/Outlet (F2WGB21BPF)
  • Targets Harmful PFAS Chemicals – The FC15B-PF carbon block filter is independently tested to reduce up to 99% of PFAS, including PFOA and PFOS, providing reliable protection from “forever chemicals” commonly found in municipal and well water.
  • Chlorine, Taste & Odor Reduction – In addition to PFAS, the carbon filter also reduces chlorine, VOCs, and unpleasant taste and odor, while the sediment filter captures rust, dirt, and sand to protect plumbing.
  • High Capacity & Long Lifespan – Each cartridge lasts up to 6 months or treats 50,000 gallons of water, depending on usage and water quality. Fits standard 10” x 4.5” housings in most home water filtration systems.
  • Peace of Mind Guaranteed – Backed by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you’re buying your first system or replacing filters, we’re here to help before and after your purchase.
  • Please Note – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, pair with an iSpring Reverse Osmosis system—an ideal complement to any whole house water filtration system.
  • $139.99
    iSpring F2WGB21BPFKS 2-Stage Whole House Water Filter Replacement Set, Compact 10” x 4.5” Filters for PFAS, Heavy Metals, Chlorine & Odor Reduction, SGS-Tested Media, Fits Standard Home Systems (F2WGB21BPFKS)
  • PFAS Filtration Tested by SGS – The FC15B-PF carbon block filter features high-performance media tested by SGS to reduce up to 99% of PFAS, including PFOA and PFOS, while also targeting VOCs and chemical byproducts without affecting beneficial minerals.
  • Removes Chlorine, Lead & Odors – The FG15B-KS GAC KDF filter reduces chlorine, lead, mercury, hydrogen sulfide, and unpleasant taste and odor, making it suitable for both city and well water that require chemical and heavy metal protection.
  • Removes Chlorine, Lead & Odors – The FG15B-KS GAC KDF filter reduces chlorine, lead, mercury, hydrogen sulfide, and unpleasant taste and odor, making it suitable for both city and well water that require chemical and heavy metal protection.
  • Compact Size, Full Performance – Designed for homes with limited space, these 10” x 4.5” filters deliver full performance at the point of entry. Each cartridge treats up to 50,000 gallons or lasts 6-12 months depending on water quality.
  • Peace of Mind Guaranteed – Backed by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. We’re here to support you before and after your purchase.
  • Please Note – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, pair with an iSpring Reverse Osmosis system—an excellent complement to any whole house water filter system.
  • $165.99
    iSpring F3WGB32BPFKDS Replacement Filter Set for WGB32B-PFKDS Whole House Water Filter System, SGS-Tested to Reduce Up to 99% PFAS, 3-Stage Filtration Removes Scale, Heavy Metals, Chlorine, Corrosion, Taste & Odor, 20" x 4.5" Filters (F3WGB32BPFKDS)
  • Essential Replacement for WGB32B-PFKDS – This 3-stage PFAS filter replacement set is specially designed for the iSpring WGB32B-PFKDS whole house water filtration system. Ideal for treating well water, city water, or any whole-home water setup.
  • Effective PFAS Water Filter - The FC25B-PF carbon filter contains SGS-tested filtration media, targets up to 99% of PFAS (including PFOA and PFOS), making it one of the top water filters that remove PFAS for whole house applications.
  • Heavy Metal & Chlorine Reduction – The FG25B-KS GAC KDF filter removes chlorine, lead, mercury, and hydrogen sulfide, providing protection for your family and extending the life of whole house water filtration systems and plumbing.
  • Built-In Descaler Protection – The FWDS150K polyphosphate descaler reduces scale from calcium and magnesium, preventing internal corrosion and prolonging the efficiency of appliances and hot water heaters.
  • Built to Last – This home water filter system whole house replacement pack filters up to lasts up to 12 months, depending on water quality and usage.
  • Peace of Mind Guaranteed – Supported by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help—before and after your purchase.
  • Please Note – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system.
  • Fresh and Ready — Individually sealed cartridges maintain maximum freshness. Please remove the wrap before use.
  • $599.99
    iSpring F3WGB32BPFKS Replacement Filter Set for WGB32B-PFKS Whole House Water Filter System, SGS-Tested to Reduce Up to 99% PFAS, 3-Stage Filtration Removes Sediment, Heavy Metals, Chlorine, Taste & Odor, 20” x 4.5” Filters (F3WGB32BPFKS)
  • 3-Stage Whole House Water Filter Replacement – This 3-stage pfas water filter replacement set is designed for the iSpring WGB32B-PFKS whole house water filter system. Perfect for whole house well water, city water, or home water filter system whole house setups.
  • Advanced PFAS Removal – The FC25B-PF activated carbon filter is SGS-tested to reduce up to 99% of PFAS, including PFOA and PFOS.
  • Heavy Metal & Chlorine Protection – The FG25B-KS GAC KDF filter targets chlorine, lead, mercury, hydrogen sulfide, and unpleasant taste or odor, ideal for removing harmful chemicals commonly found in municipal and well water sources.
  • Reliable & Long-Lasting – Each whole house water filter lasts up to 12 months depending on your water quality and usage.
  • Peace of Mind Guaranteed – Supported by lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help—before and after your purchase.
  • Please Note – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system.
  • Maximum Freshness — Cartridges come individually wrapped for peak performance. Unwrap before installing.
  • $429.99
    iSpring 3-Stage Whole House Water Filter System, SGS-Tested to Remove Up to 99% Lead, Reduces Chlorine & Sediment, Whole Home Water Filtration System w/ 10” x 4.5” Filters, Model WGB31B-CPB (WGB31B-CPB)
  • SGS-Tested Lead Removal: The media of the third-stage FC15B-PB filter has been rigorously tested by SGS. It effectively removes up to 99% of lead from your water, ensuring safer drinking water for your household.
  • Powerful 3-Stage Filtration: The iSpring WGB31B-CPB whole house water filtration system includes a 10” x 4.5” sediment filter, a CTO carbon block, and a lead removal filter — removing up to 99% of lead, along with sediments, chlorine, tastes, odors, and trace of other heavy metals like arsenic, cadmium, mercury and more for clean odor-free water.
  • Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, this 10” x 4.5” whole house water filter fits tight spaces while delivering long-lasting, high-performance filtration.
  • Built to Last: Designed for durability, this whole house water filter system delivers reliable performance for up to 50,000 gallons or 12 months, depending on water usage and quality. It is a long-lasting solution for those seeking a dependable whole home water filtration system.
  • Quick and Easy Installation: Designed with a 1” NPT inlet/outlet and 10” x 4.5” filters, this water filter system for home delivers a strong water flow (up to 15 GPM) while requiring minimal maintenance.
  • Easy Filter Changes: Built-in pressure release buttons let you swap filters fast and mess-free.
  • Peace of Mind Guaranteed: Supported by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help—before and after your purchase.
  • Sealed for Quality: Every cartridge is individually wrapped to ensure freshness and peak performance. Be sure to unwrap before use.
  • Healthy Minerals Retained: This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system.
  • $345.99
    iSpring WGB31B-KS Whole House Water Filter System, Reduces Heavy Metals, Lead, Chlorine, Chloramine, Sediments, 3-Stage Filtration, 10" x 4.5" Filters, 1" Inlet/Outlet (WGB31B-KS)
  • Reliable 3-Stage Whole House Water Filtration – This whole house water filter system features a 10” x 4.5” sediment filter, a GAC+KDF compound filter, and a high-quality carbon block filter to effectively reduce sediments, chlorine, heavy metals, chloramine, odors, tastes, and other chemicals across your entire water supply.
  • Powerful Heavy Metal Reduction – The FG15B-KS water filter in the second stage uses a GAC KDF media to reduce lead, mercury, hydrogen sulfide, pesticides, herbicides, and other common contaminants found in both city and well water.
  • Durable & Low Maintenance – Built for long-term performance, this compact whole home water filtration system supports flow rates up to 15 GPM and treats up to 50,000 gallons of water.
  • DIY-Friendly Setup - The WGB31B-KS uses 1" NPT connections and standard 10" x 4.5" cartridges for simple installation with the help of our detailed manual and YouTube tutorials. It delivers strong water flow (up to 15 GPM) and low maintenance.
  • Hassle-Free Maintenance - Red pressure release buttons make changing filters quick and easy by releasing pressure in the housings.
  • Peace of Mind Guaranteed – Supported by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help - before and after your purchase.
  • Individually Sealed - Each cartridge is sealed for maximum freshness and performance. Please remove the wrapping before installation.
  • Please Note – This water filter system retains healthy minerals and does not reduce TDS. For dissolved solids removal, explore our iSpring Reverse Osmosis systems - perfect complements to any water filtration system for house or whole home water filtration setup.
  • $305.99
    iSpring 3-stage Whole House Water Filter System, Reduces Iron, Manganese, Hydrogen Sulfide, Heavy Metals, Chlorine, Sediments, 10” x 4.5” Filters, 1” Inlet/Outlet, Model: WGB31B-MKS (WGB31B-MKS)
  • Targeted Iron & Manganese Reduction: The specialized iron filter (FM15B) is engineered to effectively reduce iron (up to 3.0 ppm) and manganese (up to 1.0 ppm), protecting your plumbing, appliances, and water quality.
  • Powerful Heavy Metal Reduction – The FG15B-KS water filter in the second stage uses a GAC + KDF media to reduce lead, mercury, hydrogen sulfide, chlorine, pesticides, herbicides, and other common contaminants found in both city and well water.
  • High-Efficiency Sediment Filtration: The FP15B PP sediment removal filter effectively captures sand, silt, rust, and other suspended particles, ensuring cleaner water and protecting your plumbing and appliances from damage.
  • Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, this 10” x 4.5” whole house water filter fits tight spaces while delivering long-lasting, high-performance filtration.
  • Long-Lasting Performance: Built for durability and steady flow, this whole house water filter treats up to 50,000 gallons or 12 months, providing families with reliable, long-term filtration.
  • DIY-Friendly Installation: With 1” NPT inlet/outlet and standard 10” x 4.5” cartridges, the WGB31B-MKS whole house water filtration system is easy to install with our step-by-step manual and YouTube guides. It maintains strong water flow (up to 15 GPM) and requires minimal upkeep.
  • Hassle-Free Maintenance: Convenient red pressure release buttons make filter changes quick and simple by releasing built-up pressure in the housings.
  • Peace of Mind Guaranteed: Supported by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help—before and after your purchase.
  • Fresh & Ready: Cartridges arrive individually sealed to maintain top filtration quality. Unwrap before installing.
  • Please Note: This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system.
  • $319.99
    iSpring WGB31B-PF Whole House Water Filter System, SGS-Tested to Remove up to 99% PFAS, 3-Stage Filtration Reduces Sediment, Chlorine, Taste & Odor, 10-Inch Filters, 1" Inlet/Outlet (WGB31B-PF)
  • PFAS-Free Water for Your Whole Home – Built with an SGS-tested FC15B-PF PFAS-removal filter, this compact whole house water filtration system removes up to 99% of PFAS, including PFOA and PFOS, found in municipal and well water. A reliable PFAS water filter for families seeking safer water throughout the home.
  • Compact 3-Stage Protection – This space-saving 3 stage water filter system uses 10" filters to reduce sediment, rust, chlorine, taste, odor, PFAS, and other harmful chemicals. Whether you're on city or well water, this system delivers whole home protection for you and your family.
  • Built for Smaller Spaces – Designed for homes where a standard 20" filter system may not fit, this 10" x 4.5" home water filter system whole house delivers high performance in a compact form. Ideal for condos, apartments, and utility rooms with limited space.
  • Quick and Easy Installation – This water filter for whole house features 1" NPT ports and comes pre-assembled with housings, O-rings, and a wrench. It's easy to install into most whole home water filter setups with minimal tools and effort.
  • Quick, Easy Maintenance - Release pressure with the push of a button for simple, stress-free filter changes.
  • Peace of Mind - Backed by a 1-year limited warranty and lifetime U.S.-based technical support. Whether you’re installing your first whole house system or replacing an old one, our team is here to assist you every step of the way.
  • Healthy Minerals Retained – Unlike RO systems, it retains healthy minerals in your water. For TDS removal, pair with an iSpring under-sink RO system.
  • Sealed for Quality - Every whole house water filter cartridge is individually wrapped to ensure freshness and peak performance. Be sure to unwrap before use.
  • $389.99
    iSpring 3-Stage Whole House Water Filter System, SGS-Tested to Remove Up to 99% PFAS, Reduces Scale, Heavy Metals, Corrosion, Lead, Chlorine, 10” x 4.5” Filters, 1” NPT Ports, Model: WGB31B-PFKDS (WGB31B-PFKDS)
  • Proven PFAS Reduction – The Stage 1 FC15B-PF filter in this PFAS water filter system is SGS-tested to remove up to 99% of PFAS, including PFOA and PFOS. This whole house water filter provides peace of mind with every drop, making it one of the top water filters that remove PFAS for home use.
  • Reduces Heavy Metals & Harmful Chemicals – The stage 2 FG15B-KS filter, uses KDF and granular activated carbon (GAC) to reduce chlorine, lead, mercury, chloramine, hydrogen sulfide (H₂S), radon, and other contaminants—making it a reliable water filter system or solution for home water filter system whole house use.
  • Premium Scale Inhibitor for Long-Term Protection – Stage 3 includes the FWDS80K filter, a high-performance scale inhibitor and descaler that prevents mineral buildup from calcium and magnesium, protecting your pipes, appliances, and water heaters. A perfect fit for any whole home water filtering system where scale and hard water are a concern.
  • Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, this 10” x 4.5” whole house water filter fits tight spaces while delivering long-lasting, high-performance filtration.
  • Built to Last – This water system is engineered to filter up to 80,000 gallons or last up to 12 months, depending on water quality and usage. A long-lasting solution for those seeking a dependable whole home water filtration system.
  • Quick and Easy Installation – Designed for hassle-free setup, this filter system includes 1” NPT inlet/outlet ports and standard 10” x 4.5” filter housings. Follow our included manual and video tutorials to get your water filter system for home up and running fast.
  • Freshness You Can Trust – Each cartridge in this whole house water filter is individually sealed to maintain quality and shelf life. Unwrap just before installation for maximum filtration performance—ideal for any water filter whole house application.
  • Peace of Mind Guaranteed – Backed by a 1-year limited warranty and lifetime product support from our U.S.-based customer service team. Whether you need help choosing the right whole house water filters or support with maintenance, we’re here for you.
  • Please Note – This system retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system.
  • $559.99
    iSpring PFAS & Heavy Metals Removal 3-stage Whole House Water Filter System, SGS-Tested to Reduce Up to 99% PFOA & PFOS, 10” x 4.5” Filters, 1” Inlet/Outlet, Model: WGB31B-PFKS (WGB31B-PFKS)
  • SGS-Tested PFAS Filtration – The Stage 2 FC15B-PF filter is SGS-certified to reduce up to 99% of PFAS, including PFOA and PFOS. This high-performance PFAS water filter offers proven protection against “forever chemicals” in municipal and well water, ensuring safe, clean water for your entire home.
  • Heavy Metal & Chemical Defense – The Stage 3 FG15B-KS filter combines high-performance KDF and granular activated carbon (GAC) media to reduce chlorine, lead, mercury, hydrogen sulfide (H₂S), chloramine, radon, and other harmful contaminants. A powerful layer of protection in your whole house water filter system for clean, health water at every tap.
  • High-Capacity Sediment Filtration – The Stage 1 FP15B sediment filter captures dirt, rust, sand, and other particles as small as 5 microns. Designed to protect your plumbing system and extend the lifespan of carbon and specialty filters, it’s an essential first line of defense for any whole house water filtration system.
  • Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, this 10” x 4.5” whole house water filter fits tight spaces while delivering long-lasting, high-performance filtration.
  • Extended Filter Life & High Capacity – Built for durability, this home water filter system whole house setup treats up to 50,000 gallons of water or lasts up to 12 months, depending on usage and water conditions. Ideal for families seeking a long-lasting whole home water filtration solution.
  • DIY Installation – Designed with user convenience in mind, this whole house water filter system includes 1” NPT inlet/outlet ports and standard 10” x 4.5” housings. It fits most household plumbing and includes step-by-step guides and video instructions for a seamless setup.
  • Individually Sealed Cartridges – Each replacement filter is sealed to maintain freshness and maximize filtration performance. Unwrap just before installation to ensure your water filtration system for house use starts with optimal protection.
  • U.S.-Based Support & Warranty Coverage – This water filter whole house system is backed by a 1-year limited warranty and lifetime tech support from our friendly, U.S.-based customer service team. Count on us for help with setup, replacement filters, or troubleshooting.
  • TDS Disclaimer – This home water filter system does not reduce total dissolved solids (TDS) but retains beneficial minerals. For TDS reduction, pair it with an iSpring Reverse Osmosis system for complete water filtration performance.
  • $415.99
    iSpring Whole House Water Filter System, Reduces Iron, Manganese, Chlorine, Sediment, Taste, and Odor, 3-Stage Iron Filter Whole House, Model: WGB31BM, 10" x 4.5" Filters, 1" Inlet/Outlet (WGB31BM)
  • Reliable Whole House Water Filtration – This 3-stage whole house water filter system includes a 10" x 4.5" sediment filter, a carbon block filter, and an iron filter to tackle sediments, chlorine, odors, iron, and manganese across your entire water supply.
  • Effective Iron & Manganese Reduction – The FM15B water filter in the third stage is specially designed for iron (up to 3.0 ppm) and manganese (up to 1.0 ppm) removal.
  • Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, this 10" x 4.5" whole house water filter fits tight spaces while delivering long-lasting, high-performance filtration.
  • Long-Lasting Performance — Built for durability and steady flow, this whole house water filter treats up to 50,000 gallons or 12 months, providing families with reliable, long-term filtration.
  • DIY-Friendly Installation — With 1” NPT inlet/outlet and standard 10” x 4.5” cartridges, the WGB31BM is easy to install with our step-by-step manual and YouTube guides. It maintains strong water flow (up to 15 GPM) and requires minimal upkeep.
  • Hassle-Free Maintenance — Convenient red pressure release buttons make filter changes quick and simple by releasing built-up pressure in the housings.
  • Peace of Mind Guaranteed – Supported by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help—before and after your purchase.
  • Fresh & Ready — Cartridges arrive individually sealed to maintain top filtration quality. Unwrap before installing.
  • Please Note – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system.
  • $299.99
    iSpring WGB21B 2-Stage Whole House Water Filtration System, Reduces Sediment, Chlorine, Taste, and Odor, 10” x 4.5” Filters with 1” Inlet/Outlet, w/Additional 6-Month Replacement Filter Set (WGB21BF2)
  • Powerful 2-Stage Filtration - Reduces sediment, rust, chlorine, unpleasant tastes and odors, as well as volatile organic compounds (VOCs) such as pesticides, herbicides, and industrial solvents—providing cleaner, safer water to every faucet in your home.
  • High Capacity with Consistent Flow - The 10" x 4.5" filters deliver up to 50,000 gallons of filtered water—ideal for a family of four. The 1” inlet and outlet ensure a steady flow rate with minimal pressure drop, supporting your household’s daily water needs.
  • Quick Installation & Easy Maintenance - Comes pre-assembled on a durable mounting bracket for DIY-friendly installation. Includes filter wrench and a built-in pressure release valve to simplify filter changes and maintenance.
  • Retains Healthy Minerals - Unlike reverse osmosis systems, this system does not lower Total Dissolved Solids (TDS), helping preserve beneficial minerals naturally found in your water.
  • Certified High-Performance Filter Pack - Includes a 5-micron polypropylene sediment filter (FP15B) and a coconut shell carbon CTO filter (FC15B), both tested against NSF/ANSI 42 standards for material safety and water quality. Effectively reduces sediment, rust, chlorine, unpleasant taste, odors, and organic chemicals. Each set lasts up to 6 months or 50,000 gallons, depending on water quality—helping extend system life and maintain optimal performance.
  • Reliable Support & Warranty - Backed by a 30-day money-back guarantee and a 1-year warranty, with lifetime customer and technical support from our U.S.-based team in Atlanta, GA. Register your product for extended warranty coverage.
  • $225.99
    iSpring 3-Stage Under Sink Tankless Water Filtration System, SGS-Tested PFAS Reduction, w/ Up to 1-Year Replacement Filters & Fridge/Ice Maker Connection Kit (Model: US31-PF) (US31-PFF3I)
  • SGS-Tested PFAS Reduction – Engineered to target and reduce PFAS for safe, clean drinking water you can trust.
  • Triple-Stage Filtration – PP sediment captures large particles; mid-stage CTO refines water quality; final CTO effectively reduces PFAS, rust, dirt, taste, and odors for crisp, refreshing water.
  • Fast Everyday Flow – Delivers up to 1 GPM, ideal for cooking, drinking, and ice-making without slowing you down.
  • Quality & Easy Care – Tankless design with brushed-nickel faucet and clear first-stage housing; tested to meet NSF/ANSI 42/53/61. Simple maintenance keeps performance steady.
  • F3-PF ICEK Included – High-capacity F3-PF filters provide up to 1 year of protection; ICEK kit connects your system to your fridge, ice maker, or water dispenser for the same great-tasting water everywhere.
  • $229.99
    iSpring F3WCB32KS 20" x 2.5" Whole House Water Filters for WCB32 Series Water Filter Systems, Includes Sediment, GAC KDF, and Carbon Block Filters (F3WCB32KS)
  • Comprehensive Protection: Safeguard your family and household appliances from lead, chlorine, heavy metals, chloramine, PFAS, and other harmful chemicals with our specialized compound water filter (FG25-KS), which has a capacity of up to 50,000 gallons.
  • Advanced Filtration Stages: The first-stage polypropylene sediment filter removes particles as small as 5 microns. The third-stage CTO Carbon Block filter, crafted from high-quality coconut shell carbon, removes up to 99% of chlorine. Each filter is tested by an independent third-party to meet NSF/ANSI standards, with a capacity of up to 30,000 gallons.
  • Individually Wrapped Cartridges: Each cartridge is individually wrapped to maintain freshness. Please remember to unwrap before replacement.
  • Simple Replacement Process: Enjoy an easy filter replacement process with guidance from our manual and instructional YouTube videos.
  • High Flow Rate: Experience a water flow rate of up to 12 GPM. The filters are designed to fit the iSpring WCB32C-KS water filter system and any standard water filter housings requiring 20” x 2.5” cartridges.
  • $91.99
    iSpring CW21-PFBV 2-Stage RV Water Filtration System, SGS-Tested PFAS, Bacteria & Viruses Removal, Dual Advanced Filters, 3/4" Lead-Free Brass Quick Connectors, Tankless, High Capacity (CW21-PFBV)
  • Dual SGS-Tested Filtration - Combines FC15-PF and FC15-BV filters, both SGS-tested to deliver advanced removal of PFAS, Bacteria, viruses, chlorine, heavy metals, odors, and suspended particles for superior water quality.
  • Comprehensive 2-Stage Protection - The first stage targets PFAS, chlorine, odors, and particulates, while the second stage focuses on eliminating Bacteria, viruses, and additional contaminants, ensuring safe and great-tasting water.
  • Effortless DIY Installation – Features 3/4" lead-free brass quick connectors for fast, tool-free setup—perfect for RV owners and campers who value convenience and reliability.
  • Tankless & Space-Saving Design – Robust, leak-proof housings and a compact tankless build ensure durability and save precious space in your RV or camper.
  • Long-Lasting & Easy Maintenance – Filters are simple to replace every 6–12 months, depending on usage and water quality, providing ongoing protection with minimal effort.
  • Reliable Support & Warranty - Enjoy peace of mind with a 1-year manufacturer warranty and lifetime technical support from iSpring’s dedicated customer service team.
  • $399.99
    iSpring F2WGB21BCPB 10" x 4.5" Whole House Water Filters for WGB21B Series Water Filter Systems, includes Sediment and Lead-Removal Filters (F2WGB21BCPB)
  • Lead Removal: The media of the FC15B-PB filter can effectively remove up to 99% of lead from your water, ensuring safer drinking water for your household.
  • Comprehensive Heavy Metal Filtration: Featuring advanced MetSorb media, our FC15B-PB water filter efficiently removes heavy metals like arsenic (III & V), lead, mercury, cadmium, and more. This superior filtration extends the lifespan of the filter, reducing replacement frequency. (Note: This product is independently manufactured by iSpring and is not affiliated with MetSorb.)
  • Superior Sediment Filtration: The first stage utilizes a high-performance polypropylene (PP) sediment filter, capturing particles as small as 5 microns. This pre-filtration step not only ensures optimal water quality but also prolongs the life of the subsequent filters by preventing clogs.
  • Standard Size: Our filters fit standard 10” x 4.5” housings, including brand-name models.
  • Built to Last: Your filter changing schedule will depend on the contamination level of your source water. We recommend changing your filters every 12 months or after filtering up to 50,000 gallons of water.
  • Guaranteed Freshness: Each cartridge is individually wrapped to maintain optimal freshness. Please unwrap before use.
  • Peace of Mind Support: Register online to activate your warranty and enjoy lifetime free tech support from our U.S.-based team. We stand by our products—if you encounter any issues, contact us immediately, and we’ll gladly assist!
  • Important Note: This filter does not reduce Total Dissolved Solids (TDS) like an RO membrane. If TDS removal is your goal, we recommend exploring our iSpring Reverse Osmosis (RO) systems.
  • $115.99
    iSpring HC13-US Clear Water Filter Housing 3/8" Outlet/Inlet, Fits 10" X 2.5" Water Filters (HC13-US)
  • RO100 and PH100 replacement housing and fits standard size filtration replacement cartridges: 10" X 2.5"
  • 3/8 inch inlet/outlet
  • Made of Polypropylene
  • Maximum Temperature: 100F (37.8C) Maximum Pressure: 90 psi (6.2 bar)
  • $29.99
    iSpring HW13-US White Water Filter Housing 3/8" Outlet/Inlet, Fits 10" X 2.5" Water Filters (HW13-US)
  • RO100 and PH100 replacement housing and fits standard size filtration replacement cartridges: 10" X 2.5"
  • 3/8 inch inlet/outlet
  • Made of Polypropylene
  • Maximum Temperature: 100F (37.8C) Maximum Pressure: 90 psi (6.2 bar)
  • $27.99
    iSpring RCC7AK-UVF3 Value Pack, Alkaline UV 7-Stage Under Sink Reverse Osmosis Water Filter System, Patented Easy-Mount Faucet for Effortless Installation, Additional 3 Pre-Filters Included (RCC7AK-UVF3)
  • EXTRA FILTERS INCLUDED - Includes 3 extra pre-filters for extended use and convenience.
  • NSF/ANSI 58 CERTIFIED - The whole reverse osmosis system RCC7AK-UV is certified to NSF/ANSI 58.
  • 20 YEARS OF EXPERTISE - Two decades of dedication to RO water filtration, supporting healthy, hydrated lifestyles for American households and businesses.
  • ULTRAVOILET PROTECTION - This built-in UV water filter provides added peace of mind by delivering an extra layer of protection for your drinking water.
  • MINERAL BOOST – The patent-pending natural mineral AK stage delivers spring-taste water with a balanced, healthy pH and multiple essential minerals.
  • PATENTED DESIGN - The top-mounted faucet design allows for easy installation entirely from above, eliminating the hassle of tightening the nut from underneath the sink.
  • SEE WHAT’S CAUGHT - The transparent first-stage water filter housing makes it easy to monitor contaminant buildup, ensuring timely filter changes.
  • EFFECTIVE FILTRATION – The RO system RCC7AK-UV reduces TDS (93-98%), PFAS (96-99%), Chlorine (95-99%), Asbestos (>99.7%), Barium (>98.4%), Cadmium (>98.8%), Chromium (>99.2%), Copper (>97.8%), Fluoride (>97.4%), Lead (>98.9%), Selenium (>99.0%), and over 1,000 other contaminants.
  • TRUSTWORTHY SUPPORT - America’s favorite RO brand, backed by lifetime technical support in Atlanta, GA, ensuring expert assistance whenever you need it.
  • CONVENIENT REPLACEMENT FILTERS - Easy access to replacement filter sets: F4AK (6-Month), F10KU (1-Year), F21KU75 (2-Year), and F31KU75 (3-Year).
  • $395.99
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