[High and Tested] Membrane housing through multiple high-pressure tests. safe and Construction] Manufactured with FRP（Fiber Reinforced and ABS, thicker constructed, the membrane housing provides better pressure resitance, excelent anti-explosion and heat insulation property. It is capable of resisting acids, ammonia, oils, plating and other corrosive and [Not leaking] RO Membrane Housing with double Seal design,no-longer any water bypass or leaking problems, thicker bowl increase the compressive capacity and proof strength. [Easy Installation] The Package Include: 1 x 1812/2012 RO Membrane Housing, You don'for t need any other tools. Friendly Design, Easy installation. For the standard RO Membrane, please search for the product.