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 - HERO system is independently tested to NSF standards 42, 53, 58, and 401.
SmartFlow Technology - provides you with more pure water, less water waste, and longer filter life than the average RO system.
Stage 2 reverse osmosis replacement membrane for AOS-HERO-CHR (B0CCQF4QZX) systems. Replace every 12 months or 500 gallons whichever comes first.
Use only certified, genuine AO Smith replacement filter cartridge for continued contaminant removal and system performance.
Full system reduces up to 99% of 90 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more. Replacement filter for use with the A. O. Smith High-Efficiency Reverse Osmosis System (AOS-HERO-CHR).
