Culligan RC 1 EZ-Change Basic Water Filtration Replacement Cartridge, 3,000 Gallons, 1 Count (Pack of 1), Multi Product Description Product Description Basic EZ Change replacement cartridge provides clean, great-tasting water for drinking and cooking. The RC-EZ-1 basic filtration cartridge is compatible with Cullign US-EZ-1, 3 and 4 systems and can filter 3,000 gallons and last up to 12 months. Avoid the mess of changing traditional cartridges and eliminates the need for buckets, towels, wrenches, and other tools. Tubing and installation hardware is included. From the Manufacturer The Culligan E-Z change icemaker and drinking water replacement cartridge is level 1 basic filtration. The water filter has a 3000-Gallon capacity and reduces bad taste and odor and chlorine. Installation is easy with twist on twist off design mechanism with quick connect fittings. The filter is NSF certified and has a 5 year warranty. From the Manufacturer The Culligan E-Z change icemaker and drinking water replacement cartridge is level 1 basic filtration. The water filter has a 3000-Gallon capacity and reduces bad taste and odor and chlorine. Installation is easy with twist on twist off design mechanism with quick connect fittings. The filter is NSF certified and has a 5 year warranty. Features Provide your family with visibly clean, great-tasting water for drinking and cooking FEATURES: Reduces particulates class III, chloride and removes bad taste and odor from water; Use under the sink or in the refrigerator for drinking water and the icemaker; 5-year warranty; includes installation hardware and tubing COMPATIBILITY: Works with Culligan US-EZ-1, US-EZ-3 and US-EZ-4 systems FILTER LIFE: Up to 3,000 gallons or 12 months depending on usage and water conditions CERTIFICATION: Tested by IAPMO according to NSF/ANSI 42 to reduce chlorine and particulates USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.