The C-COMPLETE 3M Aqua-Pure Under Sink Dedicated Faucet Replacement Water Filter Cartridge is for use with the Easy Complete Drinking Water System, the C-COMPLETE 3M Aqua-Pure under sink water filter cartridge ensures your water remains virtually free of chlorine taste, cysts, lead, rust, sediment and more. Under sink water filtration systems are great solutions to provide cleaner, clearer and great tasting drinking and cooking water by reducing a wide range of contaminants that may be present in the local water. For best results, this filter should be changed every six months, dependent on the existing water quality in your tap. Continue to drink great tasting water from your tap by ordering the replacement C-COMPLETE 3M Aqua-Pure under sink water filter cartridge you need from us today!