Water filters and purifiers for your home and office use. SIX STAGES MINERAL RO WATER PURIFICATION SYSTEM designed for ensuring perfect mineral and increase ph label in your drinking water system . Reverse Osmosis utilizes the unique properties of a semi-permeable membrane to allow fluid to pass while restricting the flow of dissolved ionic material. With pressure applied to impure water on the side of such membrane materials, pure water will pass through, leaving most of the impurities behind. The rejection of the dissolved ionic material is a function of both molecular weight and ionic charge. For example, we can expect a nominal 90% rejection of sodium chloride, which means that the product water passing through the membrane will have a concentration of salt approximately one-tenth that of the feed water. The rejection of calcium carbonate (hardness) will be near 95%, while most metallic salts will be rejected at a rate of approximately 98% to 99%. Brand: Lan Shan Origin: Taiwan Capacity: 50/75/100 GPD Membrane: USA Reserve Capacity: 3.2G Pressure Tank Filtration Stage: Six Dimension: 22 X 37 X 38 CM Technology: Reverse Osmosis 1 Year Warranty Including, 3 Complimentary Service.