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YKMGON 2012-200 GPD Universal Reverse Osmosis RO Membrane Element，12"x2" Replacement Water Filter,for Under Sink Home Drinking RO Water Purifier System

<ul><li>【Package Contents】200 GPD Reverse Osmosis Membrane*1</li><li>【High Quality & Safe】RO membranes are made of Polyamide Thin-Film Composite,and they have been tested to meet NSF/ANSI 58 Standards by independent laboratory testing.</li><li>【High Contaminant Rejection】RO Membrane rating is 0.0001 micron,can easily remove heavy metal, organic, harmful minerals and other soluble salts from water, including lead, magnesium, chromium, chlorine, fluoride, arsenic and more.</li><li>【DIY RO System】Produce 200 gallons purified water per day at 100 psi feed pressure.Friendly design, easy installation.Make your own reverse osmosis water filter right now! You don't need to buy an expensive all-in-one solution.</li><li>【Maple Syrup RO System】Recommend work pressure is 100 psi when using this product in a Maple Syrup reverse osmosis system. And we suggest heating and maintaining the raw sap at 104℉(40℃) to prevent clog on the membrane while keeping it under 113℉(45℃) to avoid damage to the membrane due to over-high temperature.</li><li>【Wide Compatibility】 12" Overall Length, 2" Diameter Standard Size Reverse Osmosis(RO) Membrane Filter fits standard housings and most RO Filtration System</li></ul>

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RO membranes come in a standard size of 12 x 3.0" and fit most standard reverse osmosis/deionization (RO/DI) systems on the market. If you are not sure about product compatibility, please consult us. YKMGON will serve you wholeheartedly.  1. DO NOT FREEZE.  2. Rinse the elements for 1 hours, prior to first use.Because there is protection material in it. then, TDS of pure water will be down to right level.  3.The first full tank of permeate must be discarded. Do not use this initial permeate for drinking water or food preparation.  4.If you have chlorinated water, we recommend you use a Carbon/Sediment Pre-Filter. The residual chlorine in municipal or city water will destroy the membrane. if hardness is too high, we recommend you install water softener before Ro unit.  Check out your water system compatibility  RO Membrane Installation Steps  1.Use a wrench to twist off the housing cap in a couter-clockwise direction.  Note: