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$67.99
iSpring F2WGB22BM 4.5” x 20” Whole House Water Filter Replacement Set - One Carbon Block Cartridge and One Iron & Manganese Reducing Cartridge - Fits WGB22BM (F2WGB22BM)
  • [Protect Your Family and Household Appliance from Iron, Manganese, and More] Our filter (FM25B) is specially designed for iron & manganese removal, reducing iron (MAX 3.0 ppm down to 0.01 ppm) and manganese (MAX 1.0 ppm down to 0.01 ppm). The filter pack also removes sediment, chlorine, rust, industrial solvents, and various other contaminants.
  • [DIY Installation and Maintenance] Refer to our manual and our helpful YouTube videos for DIY installation. Water flow: up to 15 GPM. Our filter set fits standard 20” x 4.5” housings, including brand name models.
  • The first stage CTO Carbon Block filter is made of coconut shell carbon to increase filtration efficiency and extend filter life. It is tested by an independent third-party to meet NSF/ANSI standards. The filter has a capacity of 100,000 gallons of water, enough to supply a family of four with clean water for a full year.
  • [Peace of Mind Customer Service] Register online to activate your 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. For well/pond water with very high iron/manganese please contact us for customized solutions. 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.
  • $119.99
    iSpring 4.5x10 in. 5 micron Big Blue Carbon Block (CTO) Water Filter Replacement Cartridge for Under Sink and Whole House Water Filtration Systems, Pack of 4 (FC15BX4)

    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.

    Each cartridge 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" filters. Official 2nd stage Carbon Block replacement filter cartridge for iSpring under sink water filter US21B and whole house water filtration system WGB21B; 1st stage for WGB21BM and WGB21B-PB. All 4 cartridges are individually sealed for freshness.

    Your iSpring 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.


    $109.99
    iSpring F2WGB21B Whole House 4.5"x10" Water Filtration Big Blue Sediment and CTO Carbon Block Water Filter Replacement Cartridge Pack Set for WGB21B (F2WGB21B)
    • iSpring 5-micron polypropylene sediment filter (FP15B) captures dirt, sand, silt, dust, rust, and scale particles and extends the life of CTO carbon block filter.

    • Using quality coconut shell carbon and compact fabrication tech, iSpring CTO filter(FC15B) 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.

    • This filter pack can filter up to 50,000 gallons depending on the use and feed water quality. Replace the filters every 3-6 months to achieve ideal performance. Fine PP sediment filter and quality CTO filter not only bring clean and refreshing water to every faucet in your home, but also help prolong the lives of your water-using appliances and protect plumbing from sediment and scale buildup.

    • This filter pack consists of 1x 10"x4.5"Sediment Filter(FP15B) and 1x 10"x4.5" CTO filter(FC15B). Fits standard 10" big blue whole house water filtration systems. Individually sealed for freshness.

    • Your worry-free shopping experience is backed by a 30-day money-back guarantee, extended manufacturer warranty, and lifetime tech support from iSpring in Atlanta, GA at (678) 261-7611.

    $49.99
    iSpring F2WGB21BM Whole House 4.5"x10" Water Filtration Big Blue CTO Carbon Block and Iron and Manganese Reducing Water Filter Replacement Cartridge Pack Set (F2WGB21BM)
  • [Great Compatibility] As the official replacement filter set for iSpring whole house water filtration system WGB21BM, this filter pack consists of one 10"x4.5" CTO carbon block filter(FC15B) and one 10"x4.5" iron and manganese reducing water filter(FM15B). Fits standard 10"x4.5” big blue whole house water filtration systems.
  • [Highly Activated Carbon Block CTO Filter] Using high quality coconut shell carbon and highly compact fabrication tech, iSpring CTO filter FC15B knocks out cloudiness as well as bad tastes and odors, removes up to 99% of chlorine, and is highly effective on Organic Compounds like herbicides and industrial solvents and other contaminants like trihalomethanes.
  • [Iron and Manganese Reducing] 2nd stage filter (FM15B) is specially designed for iron & manganese removal, reducing iron (Max 3.0 ppm down to 0.01 ppm) and manganese (Max 1.0 ppm down to 0.01 ppm). Together with 1st stage carbon block filter FC15B, this filter meets your water filtration needs to protect your family and household appliances from iron, manganese, and more.
  • [Easy Filter Change] Individually sealed for freshness. Depending on source water quality, replace the filters every 6 months to achieve optimal performance. Please refer to our manual and our helpful YouTube videos for filter change tips if needed.
  • [TDS Note] The system this filter pack works for is installed at the main water supply line in order to treat all the water in your home. 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, please consider our iSpring Reverse Osmosis (RO) systems such as RO500, RCC7, RO100 and more.
  • [Peace-of-mind Customer Support] Your risk-free shopping experience is backed by a 30-day money-back guarantee, extended manufacturer warranty, and lifetime tech support from iSpring in Atlanta, GA.
  • $69.99
    iSpring F2WGB21BPB Whole House 4.5"x10" Water Filtration Big Blue CTO Carbon Block and Lead Reducing Water Filter Replacement Cartridge Pack Set (F2WGB21BPB)
  • [Great Compatibility] As the official replacement filter set for iSpring whole house water filtration system WGB21B-PB, this filter pack consists of one 10"x4.5" CTO carbon block filter(FC15B) and one 10"x4.5" lead reducing water filter(FCRC15B). Fits standard 10"x4.5” big blue whole house water filtration systems.
  • [Highly Activated Carbon Block CTO Filter] Using high quality coconut shell carbon and highly compact fabrication tech, iSpring CTO filter FC15B knocks out cloudiness as well as bad tastes and odors, removes up to 99% of chlorine, and is highly effective on Organic Compounds like herbicides and industrial solvents and other contaminants like trihalomethanes.
  • [Lead Reducing] 2nd stage filter FCRC15B is specially designed for lead reducing. It features a filtration capacity of up to 80, 000 gallons of water, reducing lead level from 100 ppb to 15 ppb (the EPA standard for drinking water) and less. Together with 1st stage carbon block filter FC15B, this filter meets your water filtration needs to protect your family and household appliances from iron, lead, and more.
  • [Easy Filter Change] Individually sealed for freshness. Depending on source water quality, replace the filters every 6 months to achieve optimal performance. Please refer to our manual and our helpful YouTube videos for filter change tips if needed.
  • [TDS Note] The system this filter pack works for is installed at the main water supply line in order to treat all the water in your home. 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, please consider our iSpring Reverse Osmosis (RO) systems such as RO500, RCC7, RO100 and more.
  • [Peace-of-mind Customer Support] Your risk-free shopping experience is backed by a 30-day money-back guarantee, extended manufacturer warranty, and lifetime tech support from iSpring in Atlanta, GA.
  • $99.99
    iSpring F2WGB22B 4.5” x 20” Whole House Water Filter Replacement Set - One Sediment Cartridge and One Carbon Block Cartridge - Fits WGB22B - Reduces up to 99% Chlorine (F2WGB22B)
  • [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, industrial solvents, and various other contaminants.
  • [DIY Installation and Maintenance] Refer to our manual and our helpful YouTube videos for DIY installation. Water flow: up to 15 GPM. Our filter set fits standard 20” x 4.5” housings, including brand name models.
  • The first stage polypropylene sediment filter is able to achieve filtration down to 5 microns. The second stage CTO Carbon Block filter is 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 100,000 gallons of water, enough to supply a family of four with clean water for a full year.
  • [Peace of Mind Customer Service] Register online to activate your 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. For well/pond water with very high iron/manganese please contact us for customized solutions. 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.
  • $89.99
    iSpring F2WGB22BPB 4.5” x 20” Whole House Water Filter Replacement Set - One Carbon Block Cartridge and One Lead Reducing Cartridge - Fits WGB22B-PB (F2WGB22BPB)
  • [Protect Your Family and Household Appliance from Lead and More] Our filter (FCRC25B) is specially designed for reducing lead. This filter features a high capacity of 15,000 ppm for lead, reducing lead to below 15 ppb (the EPA standard for drinking water). Together with the carbon block filter, the filter pack also removes sediment, chlorine, rust, industrial solvents, and various other contaminants.
  • [DIY Installation and Maintenance] Refer to our manual and our helpful YouTube videos for DIY installation. Water flow: up to 15 GPM. Our filter set fits standard 20” x 4.5” housings, including brand name models.
  • The first stage CTO Carbon Block filter is made of coconut shell carbon to increase filtration efficiency and extend filter life. It is tested by an independent third-party to meet NSF/ANSI standards. The filter has a capacity of 100,000 gallons of water, enough to supply a family of four with clean water for a full year.
  • [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 cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use. For well/pond water with very high iron/manganese please contact us for customized solutions. 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.
  • $169.99
    iSpring F3WCB32 2.5” x 20” Whole House Water Filter Replacement Set - One Sediment Cartridge and Two Carbon Block Cartridges - Fits WCB32C & WCB32O - Reduces up to 99% Chlorine (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.
  • $67.99
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