Under Sink Water Filter Replacement Cartridges
Don’t settle for a replacement under sink water filter cartridge that simply fits, find one designed and manufactured specifically for your under sink water filter system.
Discount Filter Store has one of the largest selections of undersink filter cartridges. With under sink filter cartridges available in over 15+ different filter medias, 8+ different sizes (5x2½ - 20x4½), and a wide variety of filter life’s ranging from 250 gallons to 50,000+ gallons, you’re guaranteed to find the under sink water filter system and/or replacement cartridges you need. Choose from hundreds of under sink water filter cartridges from some of the industry’s top brands including American Plumber, Crystal Quest, Pentek®, Culligan®, GE, Aqua-Pure®, Whirlpool®, and more.
Fits Cuno AP-200 and PurWater PW-200 housings Learn More$19.59 MSRP: $26.99
Fits Culligan Fulflo, WC12, LCA, WS-12, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More$20.99
Fits Filtrete 3US-AS01, 3US-PS01, and Whirlpool WHCF-SUF, WHCF-SUFC water filter systems Learn More$27.99 MSRP: $28.99
Fits any standard housing that uses 5-inch x 2 1/2-inch replacement filter cartridges Learn More$6.99 MSRP: $8.15
Fits most standard 10 x 2.5-inch filter housings Learn More
As Low As $0.00 Per Filter