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iSpring FC15B 5-Micron Coconut Shell Activated CTO Carbon Block Water Filter Replacement Cartridge for Under Sink and Whole House Water Systems (FC15B)
Using quality coconut shell carbon and highly compact fabrication tech, this activated carbon block CTO(Chlorine, Taste, and Odor) filter cartridge is designed and produced to achieve filtration efficiency and long filter life for 10" Whole House and Undersink Water Filtration Systems. Free of surfactants, binders, and adhesives. No leaching carbon ash.
Knocks out cloudiness as well as bad tastes and odors, removes up to 99% of chlorine, and is effective on herbicides and industrial solvents and other contaminants like trihalomethanes. Steady flow and high absorption.
Filters up to 50,000 gallons depending on the use and feed water quality. Replace the filter every 6 months or every 50,000 gallons of water for ideal performance, depending on the quality of source water and daily water consumption.
Fits standard 10"x4.5" whole house and undersink water filtration systems. Official 2nd stage Carbon Block replacement filter cartridge for iSpring Under Sink Water Filtration System US21B as well as Whole House Water Filtration System WGB21B; 1st stage replacement filter cartridge for WGB21BM and WGB21B-PB. Individually sealed for freshness.
Your worry-free shopping experience is backed by a 30-day money-back guarantee, extended warranty upon registration, and lifetime tech support from iSpring in Atlanta, GA at (678) 261-7611.
iSpring FA15X6 iSpring Alkaline Water Filter Replacement Cartridge, Pack of 6 (FA15X6)
The RO membrane removes not only harmful pollutants but also a few helpful minerals. As a result, a standard 5 stage RO system produces slightly acidic water with a pH of 7.0 or below. Alkaline filter produces alkaline water with restored healthy minerals such as natural calcium, magnesium, and potassium ions, which ph-balances the RO water
Experience clean and good-tasting water every time you turn on the faucet
The Alkaline filter can be added to any under-sink water filter or RO system. 6 filters included.
Raises pH level
Updated FA15 alkaline filters are built with a secure push-fit quick connection, which allows faster filter replacement. If you have trouble installing the filters, please refer to the user manual or contact us
iSpring FA15 NSF/ANSI 58 Certified 10-inch Inline 3-Layer Alkaline Replacement Water Filter Cartridge (FA15)
The RO membrane removes not only harmful pollutants but also minerals. As a result, a standard 5 stage RO system produces slightly acidic water with a pH of 7.0 or below. Alkaline filter produces pH8-9 alkaline water with restored minerals such as natural calcium and magnesium.
The Alkaline filter can be added to any under-sink water filter or RO system.
Raises pH level to 8-9
Updated FA15 alkaline filters are built with a secure push-fit quick connection, which allows faster filter replacement. If you have trouble installing the filters, please refer to the user manual or contact us
NSF/ANSI 58 Certified: Independently tested and certified to meet NSF/ANSI 58 standards, ensuring reliable removal of harmful contaminants for safe, high-quality drinking water.
iSpring FP15X4-N, NSF Certified, 5 Micron 10"x2.5" Multi-layer Sediment Water Filter Cartridges, 4-Pack (FP15X4-N)
Powerful First-Line Protection – Engineered to capture sediment, dust, sand, silt, rust, and large particles, these FP series filters serve as an effective first stage of a water filtration system. They help reduce buildup and extend the life of downstream filters. This filter can also be used for pool and hottub.
Standard 10” x 2.5” Fit – Compatible with most 10” x 2.5” filter housings from various brands, these filters offer a universal fit for residential and light commercial systems.
Consistent Performance – Constructed from high-quality polypropylene, these filters provide fine filtration down to 5 microns. Each cartridge supports clean water flow for up to 6 months for a typical family, with minimal impact on pressure.
U.S.-Based Customer Support – Register your product online to enjoy extended warranty and complimentary tech support from our dedicated U.S. team. We’re here to help with any concerns to ensure your satisfaction.
Individually Wrapped for Freshness – Each cartridge is sealed to preserve quality until use. Note: These filters do not reduce TDS but instead retain healthy minerals in your water. If you need TDS reduction, check out our iSpring Reverse Osmosis systems.
iSpring FT15 NSF/ANSI 58 Certified 5th Stage Inline Post Carbon Filter Replacement Cartridge, White (FT15)
10" x 2" Post Carbon Filter replacement cartridge. 1/4" connections.
Used as the 5th stage on iSpring RO systems. It can also be used for refrigerators, ice makers, coffee machines, water coolers and more.
Removes chlorine, tastes, and odors in the water.
Individually wrapped.
Depending on your water usage and quality, replace every 6-12 months.
NSF/ANSI 58 Certified: Independently tested and certified to meet NSF/ANSI 58 standards, ensuring reliable removal of harmful contaminants for safe, high-quality drinking water.
iSpring WGB22B 2-Stage Whole House Water Filtration System, 20” x 4.5” Sediment & Carbon Block Filters, Removes up to 99% Chlorine, Fine Sediment and Bad Taste Removal (WGB22B)
Protect Your Family and Household Appliance from Sediment, Chlorine, and More: Say goodbye to smelly, bad tasting water! WGB22B whole house water filter system removes up to 99% of chlorine from water as well as up to 95% of sediment, rust, tastes & odors, herbicides, industrial solvents, and various other contaminants. This whole house filter 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 easy DIY installation. With 1" NPT inlet / outlet and 20" x 4.5" filter cartridges, this whole home water filter system has minimum impact on water flow (up to 15 GPM) and requires minimum maintenance.
Peace of Mind Customer Service: 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! Register online to active extended manufacturer warranty with lifetime personalized support.
Please Note: Unlike an RO system, this whole house water filtration system will NOT reduce Total Dissolved Solids (TDS), and instead keeps healthy minerals in your water. If you are interested in a water filter that removes TDS consider our iSpring Reverse Osmosis (RO) systems.
iSpring F7RO 10"x2.5" Standard Reverse Osmosis Water Filter 1-year Replacement Cartridges, 7-piece (F7RO)
Tested by independent third-party to meet NSF/ANSI standard, replacement filters for 5-stage reverse osmosis systems
Standard sized 10" x 2.5"
Fits iSpring RCC7, RCC7P, and most other RO systems that use standard sized filter housings including Flowmatic, PuROLine, Crystal Quest, and Apec
Includes 2x FP15 sediment filters, 2x FG15 GAC filters, 2x CTO carbon filters, and 1x FT15 post carbon filter. (No RO membrane included)
Each filter is individually wrapped
iSpring F3WCB32 2.5” x 20” Whole House Water Filter Replacement Set - One Sediment Cartridge and Two Carbon Block Cartridges - Fits WCB32C & WCB32O (F3WCB32)
Protect Your Family and Household Appliance from Sediment, Chlorine, and More: Say goodbye to smelly, bad tasting water! Our filters are specially designed to remove up to 99% of chlorine from water as well as sediment, rust, herbicides, industrial solvents, and various other contaminants.
DIY Installation and Maintenance: Refer to our manual and our helpful YouTube videos for DIY installation. Our filter set fits standard 20” x 2.5” housings, including brand name models.
The first stage high capacity 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 (depending on your water quality)
Peace of Mind Customer Service: Register online to activate your extended 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: The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use. Unlike an RO membrane, the filters don’t reduce Total Dissolved Solids (TDS). If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
iSpring FP25X25 High Capacity 20” x 2.5” Water Filter Replacement Cartridges - Fine Sediment Filter - 5 Micron - Pack of 25 (FP25X25)
Protect Your Family and Household Appliance from Sediments: The FP25 sediment filters are specially designed to remove sediments, dust, sand, large particles, silt, dirt, and rust from water. They are usually used as the first stage of a water filtration system to prevent the filters that follow from getting clogged too soon. This filter can also be used for pool and hottub.
Standard Size: Our filter fits standard 20” x 2.5” housings, including brand name models.
The FP25 polypropylene sediment filter is able to achieve filtration down to 5 microns. The filters are tested by an independent third-party to meet NSF/ANSI standards. They have a capacity of 30,000 gallons of water, enough to supply a family of four with clean water for half a year (depending on your water quality). Water flow: up to 12 GPM.
Peace of Mind Customer Service: Register online to activate your extended 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: The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use. Unlike an RO membrane, the filters don’t reduce Total Dissolved Solids (TDS). If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
iSpring CKC1 Countertop Drinking Water Filtration System with Carbon Filter 2.5" x 10", White (CKC1)
ELEGANT DESIGN - Stylish and compact countertop design easily matches any kitchen.
ULTRA SAFE - Includes a standard 5 micron Carbon Block Cartridge that removes up to 95% of chlorine, odors, sand, silt, sediment and rust from your drinking water. Tested by independent third-party to meet NSF/ANSI Standards.
EASY INSTALLATION - No drilling required. Portable and easy to install. Sleek and efficient design offers a natural look on any counter. Perfect for small spaces.
COMPLETE FILTRATION - A standard 10-inch CTO cartridge, a plastic wrench, two faucet adapters, tubing and an o-ring included for a leak-free install.
TOP-NOTCH SUPPORT - 30-day money back guarantee, 1-year limited warranty and lifetime technical support from Atlanta, Georgia.
LOW MAINTENANCE - It is recommended to replace the filters (2.5"x10" standard-sized carbon block filter FC15) every 6 months.
PLEASE NOTE - Unlike an RO membrane, this countertop water filtration system DOES NOT reduce Total Dissolved Solids (TDS). Instead this filter keeps healthy minerals in your water while removing harmful chemicals. If you are interested in a filter that removes TDS, please consider our iSpring tankless under sink Reverse Osmosis (RO) system RO500 or countertop RO water filter system RCT600.
iSpring WGB12B 1-Stage Whole House Water Filtration System w/ 20” x 4.5” Carbon Block Filter - Reduces up to 99% Chlorine (WGB12B)
Protect Your Family and Household Appliance from Chlorine and More - Say goodbye to smelly, bad tasting water! Our system removes up to 99% of chlorine from water as well as sediments, rust, pesticides, herbicides, industrial solvents, VOCs, and various other contaminants. It works well with city water that has a low level of sediments.
DIY Installation and Maintenance - Refer to our manual and our helpful YouTube videos for easy DIY installation. With 1” NPT inlet/outlet and 20” x 4. 5” filter cartridges, the system has a minimum impact on water flow (up to 15 GPM) and requires minimum maintenance. This system is installed at the main water supply line in order to treat all the water in your home.
Top-Notch Quality - The CTO Carbon Block filter is made of high-quality coconut shell carbon for maximum filtration efficiency and filter life. It is tested by an independent third-party to meet NSF/ANSI standards. The system has a capacity of 15, 000 gallons of water, enough to supply a family of four with clean water for half a year. The cartridge is individually wrapped to ensure freshness. Please unwrap the cartridges before use.
Peace of Mind Customer Service - Register online to activate your extended manufacturer 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), and instead keeps healthy minerals in your water. If you are interested in a filter that removes TDS consider our iSpring Reverse Osmosis (RO) systems.
Out of Stock
$131.99
iSpring Whole House Water Filter System, Highly Reduces Sediment, Taste, Odor, and up to 99% Chlorine, 3-Stage w/ 20-Inch Sediment and Carbon Block Filters, Model: WGB32B, 1" Inlet/Outlet (WGB32B)
Chlorine-Free, Pure Water: Shield your family and appliances with the WGB32B whole house water filter—eradicating up to 99% of chlorine, along with sediments, rust, tastes, odors, herbicides, and more for clean, odor-free water.
Easy DIY Setup: Utilize our manual and YouTube guides for straightforward installation. Featuring 1" NPT inlet/outlet and 20" x 4.5" filters, this whole house water filtration system maintains robust water flow (up to 15 GPM) with minimal maintenance.
Premium Filtration: The first stage sediment filter reaches 5 microns, while the second and third stage CTO Carbon Block filters use quality coconut shell carbon—tested by a third-party to meet NSF/ANSI standards. The system has a 100,000-gallon capacity for a year's supply.
Customer Service Assurance: Activate your extended warranty and lifelong tech support by registering online. We're committed to prompt assistance—reach out if you encounter any issues.
TDS-Friendly System: Unlike RO systems, our whole house water filters maintain healthy minerals in water. Explore our iSpring Reverse Osmosis (RO) systems if TDS removal is desired.
Freshness Guaranteed: Individually wrapped cartridges ensure freshness; unwrap them before use for optimal performance.
iSpring FP110 NSF/ANSI 58 Certified 10 micron 10"x2.5" Standard Sediment Water Filter Replacement Cartridges (FP110)
Protect Your Family and Household Appliance from Sediments: The FP series sediment filters are specially designed to remove sediments, dust, sand, large particles, silt, dirt, and rust from water. They are usually used as the first stage of a water filtration system to prevent the filters that follow from getting clogged too soon. This filter can also be used for pool and hottub.
Standard Size: Our filter fits standard 10” x 2. 5” housings, including brand name models
Top-Notch Quality: The FP series high capacity polypropylene sediment filter is able to achieve filtration down to 1, 5, 10, 20, 50 microns. The filters are tested by an independent third-party to meet NSF/ANSI standards. They have a capacity that is enough to supply a family of four with clean water for half a year (depending on your water quality). The 10” x 2. 5” filter cartridges have a minimum impact on water flow and require minimum maintenance.
Peace of Mind Customer Service: Register online to activate your extended manufacturer 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: The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use. Unlike an RO membrane, the filters don’t reduce Total Dissolved Solids (TDS), and instead keeps healthy minerals in your water. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
NSF/ANSI 58 Certified: Independently tested and certified to meet NSF/ANSI 58 standards, ensuring reliable removal of harmful contaminants for safe, high-quality drinking water.
iSpring FT15Q Quick-Change Inline Carbon Filter, Fits CU-A4 (FT15Q)
Individually wrapped to keep freshness
1/4" Quick-Change connections
Capable to work at low water pressure
iSpring F4CKC2 10"x2.5" Standard Water Filter Replacement Cartridges, 1-Year Filter Packs for CKC2, WKW21 - (FG15 FC15)X2 (F4CKC2)
1-Year supply of replacement filters for 2-stage water filters. Fits standard 10" housings, including brand name models. 4 Replacement filters included: 2 pieces of 5-micron GAC Granular Activated Carbon Filters(FG15); 2 pieces of 5-micron CTO Carbon Filters(FC15) Individually wrapped in films. Length: 9 3/4", O.D. = 2 7/8";1/4" Fitting.
iSpring F6CTO Prefilters for CW31 and Standard Reverse Osmosis RO Water Filter Systems 1-Year Replacement Supply Filter Cartridge Pack Set, No Membrane (F6CTO)
1-year supply of replacement filters for 3-Stage water system CW31 and other 10 inch standard water systems Individually wrapped Standard sized 10" x 2.5" Fits filtration systems that use standard sized filter housings Includes 2 pieces of 5 micron sediment filters #FP15 and 4 pieces of 5 Micron CTO Carbon Filters #FC15
iSpring FP15X25 5 Micron Box of 25 10"x2.5" Standard Sediment Water Filter Replacement Cartridge, 25-Pack (FP15X25)
Made of 100% Melt-Blown Polypropylene, multi-layer filtration. This filter can also be used for pool and hottub. Diameter 2.5" x 10" Length 5 Micron - 25 filters included Fits 10" filter housings Tested by independent third-party to meet NSF/ANSI standard
iSpring FP11X25 1 Micron Box of 25 10"x2.5" Standard Sediment Water Filter Replacement Cartridges, 25-Pack (FP11X25)
Multi-layer gradient design 2.5 inch (O.D) x 10 inch (Length) x 1 1/8 inch (I.D), Fits industry standard 10 inch filter housings Good for RO, Counter-top, Whole-house water filters and ice machine, film, beverage processing Genuine filter cartridge supply. This filter can also be used for pool and hottub.
iSpring CU-A4 0.01μm Ultra-Filtration Under Sink Water Filter System, Tankless 4-Stage High Capacity, Remove 99.99% Contaminants, Quick Filter Change with Brushed Nickel Faucet, White (CU-A4)
SUPERIOR PERFORMANCE: The advance 4-stage design, which includes both Ultrafiltration and KDF/GAC stages, removes up to 99% of PFAS, chlorine and chlorine treatment by-products, lead, arsenic, and much more, while retaining minerals. Noted: This system is NOT a Reverse Osmosis water filtration system and does NOT lower TDS.
4-Stage ULTRA FILTRATION SYSTEM: PP Sediment Filter ((5 microns) removes larger particles like rust, sand, dirt. ) Ultra Filtration Filter (contains hollow fiber membrane technology with a pore size of just 0.01 microns. ) KDF and GAC Filter (provides much better control of particularly problematic contaminants including chloramine, hydrogen sulfide, heavy metals, and other compounds). Fine Activated Carbon Filter (provides final polishing).
SIMPLE AND FLEXIBLE: NO WASTE WATER and No storage water tank required. The CU-A4 provides highly effective water filtration for any number of clean water needs - at the sink, in the refrigerator, for coffee makers and more.
FEATURES: Come with premium brushed nickel finish drinking water faucet. All filters, tubing and other water-contacting parts are manufactured to comply strictly with NSF/ANSI standards for safety and water quality.
EASY-TO-INSTALL AND REPLACE FILTER: Push to connect fittings with color-coded tubing simplify the installation process. Filter replacement are designed for ease. No need to disconnect hoses or water lines. Just Twist On / Twist Off filter cartridges make changing filters a snap. Filter life: 6 -12 months, depending on your source water and usage.
iSpring F4-CUA4 Replacement Pack for 4-Stage Ultra Filtration System CU-A4, Sediment, UF, KDF, and Activated Carbon Filter, 4pcs (F4-CUA4)
1st Stage: 5 Micron sediment filter removes rust, sand, and solid impurities in the water to protect the delicate UF membrane.
2nd Stage: UF Hollow Fiber membrane that uses standard home water pressure to push water through a semi-permeable membrane.
3rd Stage: KDF media (or Kinetic Degradation Fluxion Media) with activated carbon.
4th Stage: Post Activated Carbon Filter. Adopting coconut shell activated carbon with ultra-micron aperture, this carbon filter absorbs residual chlorine, and odor.