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Membrane Solutions Alkaline Water Filter Replacement Cartridge Set for 6-Stage Alkaline Mineral Reverse Osmosis Water Replacement Filter System(NOT Include RO Membrane): Home Improvement. Buy Membrane Solutions Alkaline Water Filter Replacement Cartridge Set for 6-Stage Alkaline Mineral Reverse Osmosis Water Replacement Filter System(NOT Include RO Membrane): Replacement Under-Sink Water Filters - ✓ FREE DELIVERY possible on eligible purchases. [Standard Universal Filter]: Universal 10 inch water filter replacement Cartridge. Fits most standard 6 stage alkaline reverse osmosis water replacement filter system, compatible with iSpring RCC7AK, RCC7P-AK, Express Water, APEC, Global Water, Flowmatic, PuROLine, Crystal Quest, etc. 。 [High Adsorption Capacity]：Filtration rating of 5 micron, 6 Stage alkaline water filter replacement cartridges can effectively remove 99% of contaminants. Which provides safer, healthier water whether for drinking, cooking, showering, aquarium, garden, etc. 。 [Alkaline Filter]: Alkaline pH Remineralization Filter can effectively and safely raise pH and Calcium, Potassium, Magnesium, and other minerals your body needs right in your wate, giving the water a better taste. 。 [Easy Installation]: Alkaline mineral filters and inline carbon filter built-in 1/4 inch (JG) quick connections in both two ends of the filter. Individually wrapped and Drop-in cartridge design allows for quick and easy filter change. 。 [Packing List]: High capacity water filter set included 5 pieces of cartridge: 1x sediment filters, 1x granular activated carbon filters, 1x carbon block filters, 1x inline carbon filter, and 1x alkaline filter (NOT include an RO membrane). 。