Features: brand new and high quality brand new and high quality [Standard Size] Membrane Solutions membrane housing size is 3" X 13", which is for RO membranes of 2.0" X 12" 125GPD and below. for 50GPD / 75GPD / 100GPD / 125GPD ro membrane, easy to install. Can be used to replace CSM, Axeon, for Dow FilmTec, for GE, and any other 1812 and 2012 RO membranes. [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. [Not leaking] RO Membrane Housing with double Seal design,no-longer any water bypass or leaking problems, thicker bowl increase the compressive capacity and explosion proof strength. [Durable Construction] Manufactured with FRP（Fiber Reinforced Polypropylene) and ABS, thicker constructed, the membrane housing provides better pressure resitance, excelent anti-explosion performance and heat insulation property. It is capable of resisting acids, alcohol, ammonia, oils, plating solutions and other corrosive chemicals. [High Performance and Quality Tested] Membrane Solutions membrane housing through multiple high-pressure tests. Durable, safe and reliable. Specifications: Material: Plastic Weight: 256g Size: 75x330mm/2.95x12.99inch Package Includes: 1x Membrane Housing note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.