Main features: Polypropylene string or cotton string reeled on the polypropylene core; High flow rates; Excellent ability to keep dirt; Elow cost Easy installation, replacement and maintenance Specifications & technical data Material string: polypropylene/ cotton Core: polypropylene O ring/gasket: nil Specifications: pore size (um): 1-100 Outer diameter(od): 63mm (can be decided by client) Length (inch): 10, 20, 30, 40 Endcaps: nil Technical data: effective filtration area (10"): Normal working temperature: Max. Working temperature: 80 Max. Differential pressure: 4.2 bar Ph value: 1-13 Sterilization method: nil Test: strick test before packing Applications: (mainly for prefiltration or coarse filtration) Quality assurance: