(Dimensions):10 inches x 2.5 inches-5 pack of 5 Micrometre string wound water filter. Universal water filter replacement fits any standard 10 inch RO and Whole House systems. (Quality Filtration): Made of 100% Pure POLYPROPYLENE Microfibers. The whole house water filter is designed with density three PP layers to remove most particle and sediments. The inner layer is Absolute 5 micron; the middle layer is nominal 7 micron; while the outer layer is nominal 10 micron. The multi-layer density tech can capture impurities targetedly and have 30% longer service life than the other common type. (High Capacity): The filter can filter 20000 - 30000 gallons depending on water quality. Suggest to replace it every 3- 6 months for the average household for optimal performance depending on the use. Maximum Operating Temperature(℃):80℃ Applicable pH value:1-13 Maximum Operating Differential Pressure(Bar):4.2Bar Recommended Changed-out Differential Pressure(Bar):2.4Bar It can effectively remove suspended solids, particles, etc. in liquid, also it can withstand high filtration pressure, because this product have inner layer ,middle layer, outer layer so it can reach excellent deep filtration effect, good compatibility and high filter load capacity. The string wound water filter is made of materials to meet the needs of a variety of liquid filtration. Multiple advantages High filtration accuracy, small pressure difference, large flow, large pollution capacity and long service life. The filter pore diameter is small inside and large outside, with good deep filtration effect. The string wound can withstand high filtration pressure. The string wound water filter can effectively remove suspended matter and fine particles in the water. Application Electronics: Water system pre-filtration Food: Beverage / White Wine / Beer and Syrup Chemistry: Organic solvents / I