Quality Filtration: The string wound water filter have a deep bed filtration function,which It presents honeycomb structure of being dense inside and sparse outside.The String Wound sediment filter can reduce 99.99% sand, scale, rust, sediment, particles. 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. Multiple Advantages:It has the advantages of high filtration accuracy, large flow rate, small pressure difference, high compressive strength, large pollution tolerance, non-toxic and tasteless, and no secondary pollution. Maximum Operating Temperature(Celsius): 80 Celsius Applicable pH value: 1-13 Maximum Operating Differential Pressure(Bar): 4.2Bar Recommended Changed-out Differential Pressure(Bar): 2.4Bar Pure Polypropylene Microfibers String wound filter is a kind of water filter.The textile fiber line which made from specific technology of precision, winding in the porous skeleton (polypropylene) , with thin dense honeycomb structure, can effectively remove the suspended solids in the fluid, particles, rust and other sundry, has the very good filtering characteristics. 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 wire-wound water filter can effectively remove suspended matter and fine particles in the water. 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. colour:white Material:Polypropylene size:Length: 250mm Aperture: 10m Outer diameter: 60mm Package Contents: 10 x Water purifier filter Only the above package content, other products are not included. Note: Light 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.