Clear, clean, great-tasting water for drinking and cooking is easier to achieve than ever before with the Culligan(TM) family of EZ-Change Drinking Water Filters. The Culligan(TM) IC-EZ-1 Icemaker / Refrigerator Drinking Water Filter features a twist-on, twist-off mechanism, quick-connect fittings, and double water shut-off. The filter reduces bad taste & odor, aesthetic chlorine taste & odor, and particulate class III. The IC-EZ-1 cartridge has a life of 12 months or 3,000 gallons. The package includes filter head with built in bracket, RC-EZ-1 Level 1 Basic Filtration replacement cartridge, mounting screws, and filter change reminder sticker. The IC-EZ-1 is NSF Certified and has a 2-year limited warranty.