Aquasana Replacement Filter Cartridges (Stages 1 & 3) & Replacement 20-inch Sediment Pre-Filters for Whole House Water Filtration Systems - 4 Count - EQ-304-20

• Product 1: Genuine replacement Filters Stages 1 and 3 for Aquasana OptimH20 Reverse Osmosis Water Filter: AQ-RO-3 Product 1: Use only genuine Aquasana replacements - untested replacements are not certified for performance capacity or contaminant removal Product 1: Replacements made easy - no tools or plumber required - replace membrane every 6 months Product 1: Removes over 95% of fluoride PLUS up to 99% of 87 other contaminants like lead, mercury, asbestos, and more Product 2: Replacement 20-inch, sediment pre-filter for Aquasana Whole House Systems (4-pack) Product 2: Use genuine Aquasana replacements only - untested replacements are not certified for performance capacity or contaminant removal Product 2: Designed to prevent dirt and sediment particles from entering and clogging the main filter unit Product 2: Replace filters every 1-3 months depending on water quality and sediment levels - when color darkens or water flow slows, Manufacturer: Aquasana