Features
- Make sure this fitsby entering your model number.
- [Premium Quality Material] Using high-quality coconut shell carbon and highly compact fabrication tech, this highly activated carbon block CTO(Chlorine, Taste, and Odor) filter cartridge is designed and produced to achieve maximum filtration efficiency and filter life for 10" Under Sink Water Filter and Whole House Water Filtration Systems. Free of surfactants, binders, and adhesives. No leaching carbon ash.
- [Exceptional Filtration Performance] 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. Steady flow and high absorption.
- [Long Filter Life] 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 optimal performance. Usually used as the second stage filter for whole house water filtration systems, FC15B brings clean and refreshing water to every faucet in your home.
- [Great Compatibility] Official replacement filter for iSpring Under Sink Water Filter System US21B and Whole House water filtration systems(WGB21B, WGB21BM, and WGB21B-PB). Fits other standard 10" x 4.5"big blue undersink and whole house water filtration systems. Individually sealed for freshness.
- [Peace-of-mind Customer Support] Your risk-free shopping experience is backed by a 30-day money-back guarantee and lifetime tech support from iSpring in Atlanta, GA.
Product Images
From the manufacturer
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Why iSpring? At iSpring, we look beyond technology to make high-quality drinking water accessible for all households. We provide our customers with professional water solutions to any water concerns you may have. |
Outstanding Performance The FC15B carbon block filters are made of high-quality coconut shell carbon and are specially designed to remove up to 99% of chlorine from water as well as various other contaminants that cause unpleasant odors and tastes. |
High Capacity Our FC15B CTO Carbon Block filters have a filtration capacity of up to 50,000 gallons of water, enough to supply a family of four with clean water for around 6 months. |
Safe Water For the Ones You Love
- Save on your water bill – the filters won’t produce any wastewater.
- Official 2nd stage replacement filter cartridge for iSpring Under Sink Water Filter US21B and Whole House Water Filtration System WGB21B; 1st stage replacement filter cartridge for WGB21BM and WGB21B-PB.
- Fits standard 10” x 4.5” filter housings.
- Unlike an RO membrane, the CTO filters don’t reduce Total Dissolved Solids (TDS). They keep healthy minerals in your water instead. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems such as RCC7 series and tankless RO systems like RO500.
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| FP15B | FC15B | FM15B | FCRC15B | FWDS80K | FG15B-KS | |
Filter Size |
4.5″ x 10″ |
4.5″ x 10″ |
4.5″ x 10″ |
4.5″ x 10″ |
4.5″ x 10″ |
4.5″ x 10″ |
Filtration |
Sediment Reducing |
Chlorine Reducing |
Iron & Manganese Reducing |
Lead Reducing |
Anti-Scale |
Chlorine and Lead Reducing |
Material |
High-Capacity Polypropylene |
High-Quality Coconut Shell Carbon |
Catalytic Media (no chemical added) |
Ion Exchange Resin |
Patented Scale Inhibitor |
Premium Coconut Shell Carbon + KDF 85 |
Life Cycle |
Up to 15,000 Gallons (6 Months) |
Up to 50,000 Gallons (6 Months) |
Up to 30,000 Gallons at 3.0 ppm Iron Level |
Up to 80,000 Gallons at 100 ppb Lead Level |
Up to 80,000 Gallons (6 Months) |
Up to 80,000 Gallons (8-12 Months) |
Product description
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Why iSpring? At iSpring, we look beyond technology to make high-quality drinking water accessible for all households. We provide our customers with professional water solutions to any water concerns you may have. |
Outstanding Performance The FC15B carbon block filters are made of high-quality coconut shell carbon and are specially designed to remove up to 99% of chlorine from water as well as various other contaminants that cause unpleasant odors and tastes. |
High Capacity Our FC15B CTO Carbon Block filters have a filtration capacity of up to 50,000 gallons of water, enough to supply a family of four with clean water for around 6 months. |
Safe Water For the Ones You Love
- Save on your water bill – the filters won’t produce any wastewater.
- Official 2nd stage replacement filter cartridge for iSpring Under Sink Water Filter US21B and Whole House Water Filtration System WGB21B; 1st stage replacement filter cartridge for WGB21BM and WGB21B-PB.
- Fits standard 10” x 4.5” filter housings.
- Unlike an RO membrane, the CTO filters don’t reduce Total Dissolved Solids (TDS). They keep healthy minerals in your water instead. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems such as RCC7 series and tankless RO systems like RO500.
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|
|
|
|
|---|---|---|---|---|---|---|
| FP15B | FC15B | FM15B | FCRC15B | FWDS80K | FG15B-KS | |
Filter Size |
4.5″ x 10″ |
4.5″ x 10″ |
4.5″ x 10″ |
4.5″ x 10″ |
4.5″ x 10″ |
4.5″ x 10″ |
Filtration |
Sediment Reducing |
Chlorine Reducing |
Iron & Manganese Reducing |
Lead Reducing |
Anti-Scale |
Chlorine and Lead Reducing |
Material |
High-Capacity Polypropylene |
High-Quality Coconut Shell Carbon |
Catalytic Media (no chemical added) |
Ion Exchange Resin |
Patented Scale Inhibitor |
Premium Coconut Shell Carbon + KDF 85 |
Life Cycle |
Up to 15,000 Gallons (6 Months) |
Up to 50,000 Gallons (6 Months) |
Up to 30,000 Gallons at 3.0 ppm Iron Level |
Up to 80,000 Gallons at 100 ppb Lead Level |
Up to 80,000 Gallons (6 Months) |
Up to 80,000 Gallons (8-12 Months) |