HID Membrane Co., Ltd. is one of the leading professional manufacturers of filtration products in China. With advanced production equipment, quality control instruments, and technology. HID designs and manufactures filtration products in the RO membrane elements and RO Filter housing, such as filter cartridge, filter housing, membrane pressure vessel, RO system, etc. Our products are applied to biopharmaceutical, medical, food & beverage, chemistry, electronics, water treatment, and laboratory application. Product name 1812 RO Filter Housing for 50G/75G/100G OEM/ODM Accept Model 1812 Membrane housing Housing Material PP/PET O-ring 1 O-ring Connection  screw thread Color White Size for 50G/75G Size of connection 1/4'' Feature Safe explosion protection