Culligan’s exclusive 2-stage filter technology provides advanced filtration of your drinking and cooking water with a convenient on-tap location. A 3-way spray handle provides a filtered spray, unfiltered spray and unfiltered stream choice in your water delivery. The electronic monitor indicates when to change the filter cartridge. Fits most aerator-style faucets, adapter kit included Provides Level 3 Advanced Filtration performance through reduction of Bad taste and odor Chlorine taste and odor Sediment Lead Cysts such as Cryptosporidium and Giardia Turbidity Atrazine Lindane Asbestos Particulate Class I Filter is bacteriostatic 2-yr limited warranty NSF tested and certified No tools required for installation Electronic filter life monitor Cartridge life: 3 months or 120 gallons Culligan replacement cartridge model: FM-5R Contact your local Culligan Dealer or visit a retailer near you for replacement cartridges