High-Efficiency Reverse Osmosis Stage 1 & 3 Filter Replacements (AOS-HERO-S1S3)

Full system reduces up to 99% of 90 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more. Replacement filter for the A. O. Smith High-Efficiency Reverse Osmosis System (AOS-HERO-CHR).

High-Efficiency Reverse Osmosis Stage 1 & 3 Filter Replacements (AOS-HERO-S1S3)

Product Details
  • Clean, healthy tap water — reduce up to 99% of 90 contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, microplastics and more
  • Replacement filter for the A. O. Smith High-Efficiency Reverse Osmosis System (AOS-HERO-CHR)
  • Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance
  • Replace every 365 gallons or 6 months
  • MSRP: $99.99
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