High Flow Rate Pleated Filter Cartridges.. 33~34 M7000 High Flow Pleated Filter Cartridges..... Filter Media Polypropylene Micron Rating 0.5, 1, 5, 10, 25, 50, 75, 100 μm Gasket/O-ring Silicone, EPDM, Viton, Teflon encapsulated Viton Inside Diameter 1.1 ...