- Replacement RO Membrane & Remineralizer for: The Clean Water Filter with RO Boost (AO-US-RO-4000).
- Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance.
- Replacements made easy – no plumber necessary.
- Reverse Osmosis reduces up to 99% of harmful contaminants including lead, fluoride, asbestos, chromium, and nitrates.
- RO system with Remineralization – returns the healthy minerals lost in the reverse osmosis process – such as calcium, magnesium, and potassium.
- NSF certified to standard 58.
- RO Membrane and Remineralizer last approximately 12 months.
- Includes one Reverse Osmosis Membrane and one Remineralizer.