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About this item

  • Genuine replacement Filters Stages 1 and 3 for Aquasana OptimH20 Reverse Osmosis Water Filter: AQ-RO-3. Not for use with SmartFlow systems.
  • Use only genuine Aquasana replacements - untested replacements are not certified for performance capacity or contaminant removal
  • Replacements made easy - no tools or plumber required - replace membrane every 6 months
  • Removes over 95% of fluoride PLUS up to 99% of 87 other contaminants like lead, mercury, asbestos, and more
  • Full system WQA certified to NSF/ANSI standards 42, 53, and 401.

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