PUR PLUS Faucet Mount Replacement Filter 4-Pack, Genuine PUR Filter, 3-in-1 Powerful, Natural Mineral Filtration, Lead Removal, 1-Year Value, Blue (RF99994)1 YEAR VALUE OF GENUINE PUR PLUS FAUCET MOUNT FILTERS THAT ARE CERTIFIED to provide cleaner, safer, refreshing mineral water in your PUR PLUS or Beautiful by PUR Faucet Mount Water Filtration System. Compatible does not mean comparable. Other brands are not certified to work with your PUR PLUS or Beautiful by PUR Faucet Mount Water Filter System. 3 IN 1 POWERFUL WATER FILTRATION. PUR is the only brand certified by WQA and NSF to reduce 70 chemical &