Features: Made of high quality materials, durable, corrosion resistant and aging resistant. The filtration precision is 0.0001 micron, and the filtering effect is good, and the harmful substances in the water can be separated. RO reverse osmosis membrane filter with smooth cover, which can guarantee the service life of the membrane and is easy to use and replace. It is suitable for drinking water purification, reducing bacteria, heavy metals, machinery, chlorine, sediment, rust, etc., purifying and filtering water purity, improving taste and smell. This product is suitable for most household water purifiers and water purifiers. Specification: Condition: 100% Brand New Material: RO Membrane Uses: Water Filtration Working Temperature: 5-50 ° C Working Pressure: 0.4 Mpa Weight: 50GPD: Approx. 202g / 7.1oz 75GPD: Approx. 206g / 7.3oz 100GPD: Approx. 226g / 8oz Product Size: Approx. 30x5cm / 11.8x2.0in Package List 1: 1 x RO Reverse Osmosis Membrane 1 x 50GPD or Package List 2: 1 x RO Reverse Osmosis Membrane 1 x 75GPD or Package List 3: 1 x RO Reverse Osmosis Membrane 1 x 100GPD (The type will be based on your choice) Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.