Clean, Healthy Water - Reduce up to 99% of 90 contaminants including chlorine, chloramine, lead, pesticides, PFOA/PFOS, cysts, microplastics, and more from water in your house.
Replacement membrane tested independently to NSF standards 42, 53, 58, and 401 for advanced filtration.
Stage 2 reverse osmosis replacement membrane for AOS-HERO-CHR (B0CCQF4QZX) systems. Replace every 12 months or 730 gallons whichever comes first.
Use only certified, genuine AO Smith replacement filter cartridge for continued contaminant removal and system performance.
-35%
AO Smith Reverse Osmosis Water Filter Membrane Replacement for AOS-HERO-S2
Clean, Healthy Water - Reduce up to 99% of 90 contaminants including chlorine, chloramine, lead, pesticides, PFOA/PFOS, cysts, microplastics, and more from water in your house.
Replacement membrane tested independently to NSF standards 42, 53, 58, and 401 for advanced filtration.
Stage 2 reverse osmosis replacement membrane for AOS-HERO-CHR (B0CCQF4QZX) systems. Replace every 12 months or 730 gallons whichever comes first.
Use only certified, genuine AO Smith replacement filter cartridge for continued contaminant removal and system performance.