AO Smith Reverse Osmosis Water Filter Membrane Replacement – Replacement for AOS-HERO RO Filtration Systems – Filters to Reduce Chlorine & Other Contaminants from Drinking Water – AOS-HERO-S2




Price: $69.99
(as of Feb 12, 2026 07:09:25 UTC – Details)
Product description

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.
Advanced Filtration – Replacement membrane indepently tested to NSF standards 42, 53, 58, and 401.
Use only certified, genuine AO Smith replacement filter cartridge for continued contaminant removal and system performance.
Stage 2 reverse osmosis replacement membrane for AOS-HERO-CHR (B0CCQF4QZX) systems. Replace every 12 months or 730 gallons whichever comes first.
$69.99
