- Replacement filter for the AO Smith High Capacity Main Faucet Filter (AOW-100).
- Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance.
- Replacements made easy – no plumber necessary.
- Advanced Filtration – Reduces up to 99% of 77 harmful contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine, and more.
- Filtration reduces harmful contaminants – those you can see, smell and taste, and those you can’t – for optimally clean water.
- No water is wasted, and nothing is added to your water during the filtration process.
- IAPMO Tested & Certified to NSF/ANSI standards 42, 53, and 401 +P473.
- Filter lasts 4,750 gallons or 12 months.
- Includes one filter.