As described. Fast delivery. Fair price. Works as described. I would buy again. I only review or rate what I've been using for a while. I bought it to build my own reverse osmosis system. I bought most of the parts here at AMAZON. My old reverse osmosis system was the hot tub you buy from Lowes with quick change expensive filters and a membrane. The TDS was higher than mine when it should have been, but I figured it was because of the smaller filter and diaphragm. Now after using this membrane in my own system for a few months the TDS is much lower! TDS has been halved compared to the hydromassage system! Note: I soaked this membrane in reverse osmosis water in a ziplock bag for a day before installing it. Wash your hands with antibacterial soap and/or wear rubber gloves when handling reverse osmosis parts or changing filters to avoid contamination! Flush the first pair of tanks after replacing the membrane or filter.
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