Authoritative NSF certified: Waterdrop refrigerator water filter is NSF 401, 53 and 42 certified to reduce a wide range of harmful substances in water, and also certified by authoritative NSF 372 for lead-free materials.
Waterdrop Refrigerator Water Filter, Replacement for GE® RPWFE WITH CHIP (1)
Authoritative NSF certified: Waterdrop refrigerator water filter is NSF 401, 53 and 42 certified to reduce a wide range of harmful substances in water, and also certified by authoritative NSF 372 for lead-free materials.
