AO Smith Reverse Osmosis Water Filter Replacement Cartridges – Carbon Replacement Filters for AOS-HERO RO Filtration Systems – Reduce Chlorine & Other Contaminants from Drinking Water – AOS-HERO-S1S3
$99.99
Price: $99.99
(as of Feb 12, 2026 00:49:37 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 filter cartridges 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 1 and Stage 3 carbon replacement filter cartridges for AOS-HERO-CHR (B0CCQF4QZX) systems. Replace filters every six months or 365 gallons whichever comes first.
AO Smith Reverse Osmosis Water Filter Replacement Cartridges – Carbon Replacement Filters for AOS-HERO RO Filtration Systems – Reduce Chlorine & Other Contaminants from Drinking Water – AOS-HERO-S1S3
$99.99
