This reverse osmosis membrane remains effective for 24–36 months when kept in its sealed package
only the logos are different
Can lower TDS by up to 15% and chlorine levels by up to 97%
and all other major impurities
Exchange Process: This exchange resin filter can greatly soften hard water by releasing Hydrogen to exchange the Calcium in tap water
Membrane Solutions U3 2.25-Gallons Stainless Steel Gravity Water Filter with 3 Black UF Filters whole house pre filter This reverse osmosis membrane remainsRestock around Aug 2026 2 Stage Filtration: Uses advanced composite filtration technology to reduce over 1,000 common water impurities. Its black carbon filter combines a 0. 1m hollow fiber ultrafiltration membrane with a 1m activated carbon block, effectively reducing chlorine, rust, sediment, organic matter, while improving taste and odor. 2. 25 Gallon Large Water Capacity, : With a 2. 25 gallon reservoir, the U3 stainless steel gravity water filter