PUR RF-9999 3 Stage Faucet Water Filters (3-Pack)

The PUR RF-9999 Ultimate 3-Stage Faucet Filter replaces the PUR RF-4050 faucet filter, PUR RF-3375 faucet filter, and the PUR RF-3050 faucet filter. The PUR RF-9999 fits all the PUR faucet filter systems. The PUR RF-9999 replacement filter can be used on the horizontal styles, vertical styles, Plus faucet systems, Ultimate faucet systems, and Delta Simply PUR faucet systems. The PUR RF-9999 filter is tested and certified by NSF International to meet or exceed NSF/ANSI Standards 42 & 53. How does the PUR RF-9999 Faucet Filter work? Stage 1: Added layer to trap sediment. Stage 2: Contaminant removal. The activated carbon microfilter removes 99.99% of the Microbial Cysts cryptosporidium and giardia. It also reduces Lead, Asbestos, Benzene, MTBE, and TTHMs. Stage 3: Filtered over natural minerals for a crisp, refreshing taste. Leaves fluoride in the water. Our ultimate in filtration providing a crisp, refreshing taste.