2 Pack, 2 Stage Faucet Mount Basic Replacement Filter, Maxion Filter Technology For Maximum Contaminant Reduction, Certified To Reduce Over 70 Contaminants, Including 99% Of Lead, 92% Of Agricultural Pesticide, 96% Of Mercury & More, Reduce Trace Levels Of Pharmaceuticals, Fits All Pure Faucet Mount Systems, 1 Filter Provides Up To 100 Gallons 2 To 3 Months Of Clean Water, Fits Faucet Mount TV#'s 210135, 214900, 214901 & 214902.