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AO Smith Filter Replacements
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Category: ao smith 2 stage water filter replacement

About this item
- NSF certification compliant with standard 58. Excludes 90 degree elbow connection for draining. Utilize current 90 degree elbow for connecting remineralizer to drain pipe. Retain the connector along with the previous membrane.
- Replacement RO Membrane & Remineralizer for: The Clean Water Filter with RO Boost (AO-US-RO-4000). Not Compatible with SmartFlow Systems.
- RO system with Remineralization - returns the healthy minerals lost in the reverse osmosis process - such as calcium, magnesium, and potassium.
- RO Membrane and Remineralizer last approximately 12 months - Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance.
- Reverse Osmosis reduces up to 99% of harmful contaminants including lead, fluoride, asbestos, chromium, and nitrates.









