iSpring
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iSpring ORB1X2 Replacement O-ring for 10" X4.5" Undersink and Whole House Water Filtration Systems, Pack of 2 (ORB1X2)
Standard Size: The 2 o-rings included are 5.8” in diameter and fit most standard 10"x4.5" undersink water filter systems(e.g. iSpring US21B), whole house water filtration systems(e.g. iSpring WGB21B, WGB21BM, WGB21B-PB, WGB12B), whole house descalers(e.g. WDS80K, WDS150K), and most standard housings for 10" x 4.5" filters.
Peace of Mind Customer Service: Register online to activate your manufacturer warranty and life-time free tech support. 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: The o-rings are for 10"x4.5" filter housings only. If you need replacement o-rings for reverse osmosis (RO) pre-filter housings used in our RCC7 series, please consider iSpring ORF.
iSpring ALS3 Leak Detector and Shut-Off Valve for iSpring Reverse Osmosis and iSpring Under Sink Water Filtration Systems with 3/8” Quick Connect, White (ALS3)
The shut-off valve protects your home and business properties from costly water damage by automatically shutting off the incoming water supply once the pad detects a potential water leakage
Just take out the screw and twist the unit to open for pad replacement. The pad needs to be replaced every time it touches the water and expands
3/8” quick connect: Fits⅜” tubings
Peace of mind customer service: Register online to activate your manufacturer warranty and life-time free tech support. 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!
Work with iSpring ALS1P3 replacement pads
iSpring UVF55FS 55W Whole-House UV Water Filter With Smart Flow Sensor Switch, 120V, 12 GPM (UVF55FS)
[Whole House Water Treatment] As the UPGRADED VERSION of UV water filter iSpring UVF55, UVF55FS is a perfect last step to add to your whole house water filtration system and give you the peace of mind of knowing all of the water in your house can be treated at once.
[Upgraded Ballast with Flow Sensor Switch] Ensured actual treatment with water’s long dwell time in the 37.5-inch 304SS reactor chamber; a 12 GPM flow rate and minimum pressure loss with 1-inch MNPT inlet/outlet design; a quality 55-watt UV lamp(UVB55FS) in durable quartz sleeve has a long bulb life of up to 9,000 hours; upgraded 55W ballast(UVT55FS) with smart flow sensor switch(3 modes: “Auto”, “Move”, “Stop”) makes it easy to control and monitor system performance. “Auto” is recommended to protect the UV lamp.The sensor will only kick on when the flow rate reaches 0.66 gallon/minute (2.5 L/m).
[Easy Installation and Simple Maintenance] Mounting clips included for easy DIY installation. Annual replacement of the UV lamp and regular cleaning of the quartz sleeve(every 6-12 months) recommended to ensure optimal performance.
[Chemical-free, Environmentally Friendly, Affordable, and Reliable]: A green alternative to chlorine treatment. Free of chemical byproducts. Low power consumption. Build your trust in water for your entire household by removing risks unable to be addressed by your municipal treatment plant or those born with well water or other natural water sources.
[Lifetime After-sale Customer Service]: 30-day money-back guarantee. 1-Year manufacturer warranty upon registration activated. Lifetime tech support from iSpring in Atlanta, GA.
iSpring PMP1000 Water Booster Pump for High Capacity RO Membrane and Commercial Reverse Osmosis System Up to 120 psi, 3/8” Quick Connect Fitting (PMP1000)
PMP1000 is designed to boost water pressure up to 120 psi. Optimizes water filtration performance on high capacity reverse osmosis membrane and commercial ro systems
Great option for iSpring CRO1000 and systems with low feed water pressure
Automatic turns on and off with water system
Minimum working pressure: 30psi. Maximum working pressure: 120psi; Temperature Range: 40°-100°F
Package includes: PMP1000, power supply, 10ft 3/8” tubing, and spare fittings
iSpring MS5-N 500GPD Reverse Osmosis (RO) Membrane Replacement 3.0" x 11.7", Fits RCS5T, Updated Version (MS5-N)
500GPD membrane saves 60% of water, with 1:1 drain to clean water ratio
Low-pressure and high-capacity membrane for tankless direct ro output
Fits updated iSpring light commercial RO system RCS5T
Rejects wide spectrum of impurities down to .0001 micron
Tolerance to a wide range of operating conditions
iSpring US15 Direct Connect Under Sink Water Filter System, High Capacity Filtration, Fits Kitchen and Bathroom Faucets, 3 micron, White (US15)
iSpring US15 is a single-stage direct connect under counter water filter system with high capacity multi-layer filtration. US15’s multi-layer filtration filter cartridge combines a polypropylene layer and carbon block, which effectively reduces chlorine, smell, bad taste, heavy metals, sediment and other large particles while keeping healthy minerals in your filtered water.
Long service life for drinking, cooking and cleaning. Multi-layer filter can filter water down to 3 micron. Your great choice for water treatment to meet your daily clean water needs.
Works great with standard kitchen or bathroom faucets. Easy DIY installation. Fits 1/2” NPT or 3/8” Comp threads with included adapters. Durable metal bracket and quality braided stainless steel hoses. Filter change is a breeze.
Please note that the system is for COLD WATER only and does NOT lower TDS. If you are looking for a RO water filter system that lowers TDS levels in your water, please consider our NSF certified Reverse Osmosis water system RCC7 series, our countertop RO water system RCT600, undersink tankless RO system RO500, or commercial Reverse Osmosis water system CRO1000 and RCS5T.
Easy DIY installation. Lifetime support from iSpring in Atlanta, GA at (678) 261-7611
iSpring HB23 20” Water Filter Housing 3/8” Outlet/Inlet, Blue (HB23)
Pressure release button
3/8 inch inlet/outlet
Package includes wrench to open and tighten the housings
Fit standard size filtration replacement cartridges: 2.5" x 20"
Cartridges are recommended to change every 6 months (not included)
iSpring T38W Reverse Osmosis RO Water Filter 3/8" Tubing, White (T38W)
3/8 inch food-grade tubing
Good for RO, DI, aquarium, refrigerator, under-counter filters, etc
iSpring PFAS & Heavy Metal Whole House Water Filter System, Also Reduces Chlorine, Hydrogen Sulfide, Odor, Bad Taste, SGS-Tested Reducing up to 99% of PFAS, 1” Inlet/Outlet, Model: WGB22B-PFKS (WGB22B-PFKS)
Effective PFAS Removal – The first-stage of this water filter whole house is contains SGS-tested media to remove up to 99% of PFAS (Per- and Polyfluoroalkyl Substances), a rising concern in U.S. municipal water.
Heavy Metal & Chemical Defense – The second-stage of this whole house water filtration system uses granular activated carbon and KDF media to effectively reduce chlorine, lead, mercury, pesticides, herbicides, hydrogen sulfide, odor, bad taste, and more.
High Capacity – This whole house water filter system delivers strong water pressure and filters up to 150,000 gallons or lasts for 12 months, making it ideal for residential homes.
DIY Installation & Maintenance – Designed with standard 1-inch NPT inlet and outlet ports, this home water filtration system easily integrates with most whole-house setups. A clear user manual and step-by-step video tutorials guide you through simple DIY installation and maintenance.
Important Note – Unlike RO systems, our whole house water filters purify water while preserving essential minerals. For complete TDS removal, explore our iSpring Reverse Osmosis (RO) systems.
Peace-of-Mind Customer Service – Register online to activate your 1-year manufacturer warranty and enjoy lifetime free tech support from our U.S.-based team. We stand behind every product—if you encounter any issues, contact us right away and we’ll be happy to help.
iSpring FC15B-PF 4.5” x 10” Whole House Water Filter, Removes up to 99% PFAS, PFOA/PFOS, Chlorine, VOCs, with SGS Tested Filtration Media (FC15B-PF)
Advanced PFAS Protection for Whole House Systems – Designed for iSpring whole house water filtration systems, the FC15B-PF filter cartridge features SGS-tested filtration media that reduce up to 99% of PFAS, including PFOA and PFOS. Enjoy cleaner, safer water from every tap with proven protection against these “forever chemicals.”
Comprehensive Filtration – Beyond PFAS, this filter effectively reduces chlorine, VOCs, bad tastes, odors, and other common contaminants found in both municipal and well water—delivering fresh, great-tasting water for every use throughout your home.
High Capacity, Reliable Performance – The FC15B-PF provides up to 50,000 gallons or 12 months of dependable filtration, depending on your water quality and usage. A perfect fit for those seeking consistent, long-lasting performance in their whole house water filter system.
Trusted Quality, Lifetime Support – Supported by iSpring’s U.S.-based customer service and lifetime technical assistance. Whether you’re installing your first system or replacing an existing filter, our team is here to ensure a smooth and satisfying experience.
Keeps Minerals – Retains beneficial minerals that support good health while not reducing total dissolved solids (TDS). For full TDS removal, pair this filter with an iSpring Reverse Osmosis system for complete purification.
Freshness You Can Count On – Each filter is individually sealed to ensure optimal freshness and peak performance upon installation. Please unwrap before use.
iSpring AFLT3 Automatic Water Filter Timer, Lifespan Reminder for Whole House and Under Sink Water Filter Systems, Up to 3 Stages and 12 Months Countdown (AFLT3)
Broad Compatibility: This filter lifespan tracker fits most whole house and under-sink water filtration systems, including iSpring WGB, WCB, US31, and CW series; Waterdrop TSA, TSB, TST, and WHF series; Express Water WH series; Simpure DB series; HQUA WF series; and other systems with up to 3 stages and a filter life of up to one year.
Individual Multi-Filter Tracking: Supports individual lifespan tracking for up to three filters. Even if each stage has a different replacement cycle, the AFLT3 filter life monitor can set separate reminders for each one — as long as the cycle is within one year.
Easy Setup & Use: Set up the timers and place the filter life reminder near your system or on your fridge. The magnets on the back make it easy to attach to any metal surface.
Optimized System Performance: This automatic filter life indicator helps maintain peak efficiency of your water filter system by ensuring timely filter changes, so you always enjoy clean, safe, and great-tasting water throughout your home.
Durable & Dependable: Built to last, the AFLT3 filter timer is a reliable helper for managing your filter maintenance schedule effortlessly.
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).
iSpring RCC7AKF3 Value Pack, Alkaline 6-Stage Under Sink Reverse Osmosis Water Filter System, Patented Easy-Mount Faucet for Effortless Installation, Additional 3 Pre-Filters Included (RCC7AKF3)
EXTRA FILTERS INCLUDED - Includes 3 extra pre-filters for extended use and convenience.
NATIONAL GEOGRAPHIC RECOMMENDED - The core model RCC7AK was recognized by National Geographic as the best under sink water filter for improving taste.
NSF/ANSI 58 CERTIFIED - The whole reverse osmosis system RCC7AK 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.
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 core model RCC7AK 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), F9K (1-Year), F19K75 (2-Year), and F28K75 (3-Year).
iSpring RCC7F3 Value Pack, 5-Stage Under Sink Reverse Osmosis Water Filter System, Patented Easy-Mount Faucet for Effortless Installation, Additional 3 Pre-Filters Included (RCC7F3)
FIRST 6 MONTHS ON US - Includes 3 extra pre-filters, covering your first 6 months of replacements at no extra cost.
U.S. NEWS RECOMMENDED - The core model RCC7 was recognized by U.S. News as the best RO system for small homes in 2024.
NSF/ANSI 58 CERTIFIED - The whole reverse osmosis system RCC7 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.
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 - This RO system under sink reduces TDS, PFAS, microplastics, nanoplastics, chlorine, asbestos, barium, cadmium, chromium, copper, fluoride, lead, selenium, 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: F3 (6-Month), F7-GAC (1-Year), F15-75 (2-Year), and F22-75 (3-Year).
iSpring Whole House Water Filter System, Reduces up to 99% Chlorine, Sediments, Taste, Odor, 3-Stage w/ 10-Inch Sediment and Carbon Block Filters, Model: WGB31B, 1" Inlet/Outlet (WGB31B)
Powerful 3-Stage Filtration – The iSpring WGB31B whole house water filtration system includes a 10" x 4.5" sediment filter and two CTO carbon block filters - removing up to 99% of chlorine, along with sediments, rust, tastes, odors, herbicides, 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.
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.
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.
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.
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.