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 Culligan SY1000, SY-1000s, IC-1000, RV-1000, SY-750s, IC-750, and RV-750 filter systems Learn More$29.79 MSRP: $43.99
Fits Culligan US-UF3 Ultrafiltration system Learn More
Fits Culligan AC15, AC30, LC50, and H83 Reverse Osmosis systems Learn More$7.19 MSRP: $13.99
Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More
As Low As $0.00 Per Filter