AO Smith Reverse Osmosis Water Filter Replacement Cartridges – Premium Carbon Filters for AOS-HERO RO Filtration Systems – Eliminate Chlorine & Other Impurities from Drinking Water – AOS-HERO-S1S3
£196.31 (as of 08/18/2026 19:01 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)
Eliminate up to 99% of 90 impurities including chlorine, chloramine, lead, pesticides, PFOA/PFOS, cysts, microplastics, and more from your household water.
Description
- Pure, Healthy Water – Eliminate up to 99% of 90 impurities including chlorine, chloramine, lead, pesticides, PFOA/PFOS, cysts, microplastics, and more from your household water.
- Superior Filtration – Replacement filter cartridges independently assessed to NSF standards 42, 53, 58, and 401.
- Genuine Products – Use only certified, authentic AO Smith replacement filter cartridges for ongoing contaminant removal and system efficiency.
- Stage 1 and Stage 3 Carbon Filters – Replacement cartridges for AOS-HERO-CHR (B0CCQF4QZX) systems. Replace filters every six months or after 365 gallons, whichever occurs first.
Additional information
| Manufacturer | A. O. Smith |
|---|---|
| Binding | Kitchen & Home |
| Product Group | Kitchen |
| EAN | 0811640030261 |
| UPC | 811640030261 |
| Part Number | AOS-HERO-S1S3 |
| Model | AOS-HERO-S1S3 |
| Color | Gray |
| Product Dimensions | 3.40 x 6.60 x 12.90 inches |
| Item Weight | 1 pounds |
| Number Of Items | 1 |
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