Material safety: Ms reverse osmosis (RO) membrane is made of membrane composite (TFC) material. It has extreme purification performance, high permeability flow and provides safe and clean drinking water. Healthy drinking: reverse osmosis membrane, with a stable salt excretion rate of 96-97%. The 0.0001 Micrometre TFC film reduces more than 99% of impurities, including heavy metals (fluoride, calcium, magnesium, lead, colloid, chromium and nitrate), organic materials and harmful minerals, including other soluble salts in water resources. Universal memory size: suitable for most reverse osmosis water filtration systems.75g: 4.6 x 29.8cm 1812 module housingWide compatibility: reverse osmosis water filter replacement of standard membrane, Service life: the packaging of membrane components is dry. According to the average water supply quality, temperature and incoming water pressure, the service life is 24 to 36 months. Colour: As ShownMaterial: TFC Package Contents:1 x water purifier filter elementsOnly 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.