A.O. Smith RO Membrane Replacement Reverse Osmosis Under Sink Replacement Filter Item #546731 | Model #RGP77005-RP your air filter will help

your air filter will help capture many microparticles from the air passing through it

5/8-in to 11-in arbor

with its voice alert system

Unfolds to quickly and easily to protect and cover

DURABILITY: Constructed of hardened steel

A.O. Smith RO Membrane Replacement Reverse Osmosis Under Sink Replacement Filter Item #546731 | Model #RGP77005-RP your air filter will helpGet clean, healthy water by reducing 90 contaminants including chlorine, chloramine, lead, pesticides, PFOA PFOS, cysts, microplastics, and more Replacement filter for the AO Smith Clean Water Reverse Osmosis System (AOS HERO CHR) Use only certified, genuine AO Smith replacement filters for continued contaminant removal and system performance