Culligan IC-EZ-4 Easy-Change Level 4 Icemaker and Refrigerator Dispenser Drinking Water Filter: * Clear, clean, great-tasting water for drinking and cooking * Features a twist-on, twist-off mechanism, quick-connect fittings and double water shut-off * Reduces: bad taste, aesthetic chlorine taste and odor, sediment, lead, cysts, mercury, turbidity, particulate class I, VOC"s, MTBE and chloramines * Use Culligan RC-EZ-1, RC-EZ-3 and RC-EZ-4 * Includes: filter head with built in bracket, RC-EZ-4 replacement cartridge, mounting screws and filter change reminder sticker * NSF tested and certified * 2-year limited warranty * Model# IC-EZ-4