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iSpring F28K75 3-Year Replacement Supply Set for 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, White: Home Improvement. Buy iSpring F28K75 3-Year Replacement Supply Set for 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, White: Replacement Under-Sink Water Filters - ✓ FREE DELIVERY possible on eligible purchases. Individually wrapped 3-year high capacity filter replacement cartridge pack for most standard 6-stage RO systems 。 Experience clean, safe, and good-tasting water every time you turn on the faucet. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water 。 75 gpd RO membrane for superior performance with TDS rejection rate 90%-97%. The RO membrane removes not only harmful pollutants but also a few helpful minerals. As a result, a standard 5 stage RO system produces slightly acidic water with a pH of 7. 0 or below. Alkaline mineral filter produces alkaline water with restored healthy minerals such as natural calcium, magnesium, and potassium ions, which ph-balances the RO water 。 28 pieces of 10" x 2. 5" replacement water filters included: 6x sediment filters, 6x granular activated carbon filters, 6x carbon block filters, 1x 75 gpd RO membrane, 3x post-carbon filter, and 6x alkaline filters 。 Updated FA15 alkaline mineral filters and FT15 post-carbon filters are built with a secure push-fit quick connection, which allows faster filter replacement. If you have trouble installing the filters, please refer to the user manual or contact us 。 Product Description The F28K75 3-year filter pack comes with a total of 28 replacement filters so the filters can be changed on schedule for 3 years.。 x 5 Micron 10" Sediment Filters (1st Stage, #FP15): Removes dirt, rust, sand, and other particles. Replace approximately every months.。x 5 Micron 10" Granular Activated Carbon (GAC) Filters (2nd Stage, #FG15): Absorbs chlorine, halide, organic contaminants, odors, and other impurities that contribute to bad tastes and odors. Replace approximately every months.。x 5 Micron 10" CTO Carbon Block Filters (3rd Stage, #FC15): Further removes any remaining chlorine, tastes, and odors. Replace approximately every months.。1x High Rejection .0001 Micron TFC Reverse Osmosis Membrane (4th Stage, #MC7): The heart of the RO system. Produces drinking water at a rate of 75 gallons per day. Replace approximately every 2-3 years.。3x Post Carbon Inline Filters (5th Stage, #FT15): Polishes the water from the tank before it is delivered to the faucet. Replace approximately every 12 months.。x Alkaline pH Remineralization Filters (th Stage, #FA15): Adds 0.5 - 0.8 PH back to the water. Also adds back healthy minerals such as ionized calcium, magnesium, sodium, and potassium which were removed during the RO process. Replace approximately every months.。This filter pack fits the RCC7AK, RCC7P-AK, and most other RO systems that use standard sized filter housings including Flowmatic, PuROLine, Crystal Quest, and Apec. 。 From the Manufacturer Product Description What is included - pieces of 5 Micron Sediment Filters #FP15 - pieces of Granular Activated Carbon (GAC) Filters #FG15 - pieces of 5 Micron CTO Carbon Filters #FC15 -1 piece of 75GPD RO membrane #MC7 -3 piece of Post Carbon Inline filters #FT15 - piece of Alkaline Mineral filters #FA15 Fit Models -RCC7AK -RCC7P-AK -Most other -stage Alkaline RO systems Specifications & Dimensions - Length: 9 3/4", O.D. = 2 7/8" - 1/4" Fitting -Weight: LBS 。 。 。