10" x 4.5" Replacement Filter Set for WGB21B-PFKS Whole House Water Filter System

The iSpring F2WGB21BPFKS replacement filter set is designed to restore full 2-stage filtration performance in your WGB21B-PFKS whole house system. This compact set includes a GAC KDF filter that reduces chlorine, lead, mercury, hydrogen sulfide, and unpleasant odors, and a carbon block filter SGS-tested to reduce up to 99% of PFAS, including PFOA and PFOS. Compact yet powerful, these 10" x 4.5" filters are ideal for smaller households or installations with limited space. Together, they also help reduce VOCs, chemical byproducts, and bad taste, ensuring reliable filtration for both city and well water. Each filter is individually sealed for freshness and provides up to 50,000 gallons or up to 12 months of use depending on water conditions. For homeowners seeking compact, high-performance filtration with PFAS protection, the F2WGB21BPFKS offers dependable results. For TDS reduction, pair with an iSpring RO system at the point of use.

Features:

• 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.