Easy-Change ice maker and refrigerator drinking water system. Level 1 - basic filtration. Reduces: Bad taste and odor, chlorine taste and odor, Particulate Class III. Features twist-On/twist-Off mechanism. Quick connect fittings and double water shutoff. 2 year limited warranty. NSF certified. 3000 gallon filter life. Includes: Filter head with built-in bracket. Model No. RC-EZ-1 Level 1 replacement filter cartridge (SKU 411236), mounting screws, and filter change reminder sticker.