iSpring F4WGB21B Water Filter Replacement - 4.5 x 10 inch Set

Maintain your home water quality with the iSpring F4WGB21B replacement cartridge set. This high-capacity pack is designed specifically for the WGB21B system and fits standard 20 inch housings, including many popular brand name models. The set provides a comprehensive filtration solution by combining sediment and carbon block technologies to protect your household water supply. Each set includes heavy duty 4.5 inch by 10 inch filters. The polypropylene sediment filter captures particles down to 5 microns, while the CTO carbon block filters utilize high quality coconut shell carbon for efficient filtration and extended life. To ensure reliability, these filters have been tested by independent third-party laboratories to meet NSF/ANSI standards. Each cartridge comes individually wrapped to ensure freshness and cleanliness until you are ready for installation. This replacement set offers a dependable way to keep your whole house water system running effectively.