2PCS 400 Gpd Reverse Osmosis Filter Reverse Osmosis Membrane RO System Filter Membrane|Replacement Filters This HIGH QUALITY Reverse Osmosis Membrane was widely used on household water purifier, aquariums and other small-sized commercial water purifying devices. Remove the particles of heavy metal (primarily calcium and nesium), bacterial and any other carbonates from source water. Innovative thin layer composite membrane design, Advanced membrane technology. Provides high rejection stability even with high TDS Less fouling, Less frequency cleaning and More consistent. 100% dry membrane maximizing shelf life Lower consumption of chemical and longer life. NSF/ANSI58 standard.Fits all standard membrane housing Description: Provide pure water for your drinking every day. Protect your home, health and electrical appliances by filtering water. Suitable for perfect use in reverse osmosis systems. Remove up to 99.99% of heavy metals, total dissolved solids (TDS), bacteria, arsenic, chlorine, cadmium, pyrogens, Giardia, es, cyanide, etc. High standards and best filtration. 97% desalination rate, good stability and long service life Filter accuracy 0.0001 Micrometre Type: 400GPD Suitable water temperature: 0-40℃ Colour: Blue Material: composite material Package Contents: 2 * 400GRO membrane filter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.