We supply all kinds of filter ( pleated, spun, wound, yarn, BB type, carbon), and PP yarn. We ... retention capacity than that which is associated with straight surface filter media of the same dimensions and porosity.FEATURESGreater solids ... <=0.5Mpa120-140MATERIALSPolypropylene, Polyester, CottonRETENTION RATINGS (μ m)Nominal 1, 5, 10, 20, 30, 50, 75, 100 μmSPECIFICATIONInner diameter: 28mm, 30mmOuter ...