Product Description The Advanced EZ Change filtration system from Culligan provides clear, clean, great-tasting water for your refrigerator or icemaker systems. The included RC-EZ-3 basic filtration cartridge can filter 500 gallons and last up to 6 months, depending on water conditions and usage. With quick connect fittings and a twist-on/twist-off feature, this inline refrigerator filter system avoids the mess of changing traditional replacement cartridges and eliminates the need for buckets, towels, wrenches, and other tools. The Culligan EZ-Change Icemaker and Drinking Water Filter ensures your family will have a clean, fresh water supply from your refrigerator's water dispenser and icemaker. From the Manufacturer Culligan IC-EZ-3 Change Icemaker and Refrigerator Drinking Water System features a Level 3 Advanced Filtration System for use with your existing icemaker and refrigerator. The system reduces bad taste and odor, Chlorine taste and odor, sediment, lead, and cysts. Package includes, Filter Head with built in bracket, RC-EZ-3 Level 3 filter cartridge, mounting screws and filter replacement reminder. The filter is NSF Certified and has a 2 year limited warranty.