Premium filtration - Unique combination of activated carbon, carbon fiber, ion exchange and hollow-fiber membrane reduces contaminants while allowing beneficial minerals to remain. Reduces 99.99% of cysts and >99% of turbidity Attractive designated faucet for filtered water High capacity, long-life filter - filter capacity up to 2,100 gallons - approximately one-year filter life Compact, space-saving filter design - free up valuable under sink storage space High quality hoses featuring antimicrobial polyethylene film to prevent back contamination and ensure water quality Quick-release, locking hose connections prevent leaks and simplify filter changes The activated pressure valve ensures that the filter is not under pressure when not in use - eliminating worry of filter bursting or leaking from strain NSF Certified, BPA-Free Warranty: Faucet Mount - 2-Year Limited , Filter - 30-Day Limited