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SAYES PPP SERIES FILTER CARTRIDGES Economical Polypropylene Pleated Filter Cartridges High Contaminant Holding Capacity Non-Fiber Releasing Wide Chemical Compatibility Rigid Polypropylene Outer Cage Protects Filter 100% Polypropylene Construction, Suitable for Filtration of wide range of aggressive. Chemicals and solvents Submicron Prefilter for Final Membrane Application Fast Rinse-Up to 18 Megohm-cm Product Specifications Retention Ratings: 0.1, 0.2, 0.45, 0.65, 0.8, 1, 2, 3, 5, 10, 20, 30, 50, 75 Um. Maximum Differential Pressure: 70 psid @ 68F(4.8 bar @ 20C) 36 psid @ 150F(2.5 bar @ 65C). Recommended Changeout Differential Pressure: 35 psid (2.0 bar) Purity: PPP Series filter cartridges are free of surfactants, anti-static agents, binders, and adhesives. Sterilization: Multiple autoclaving for 30 minutes at 121C under no end load conditions. Materials of Construction: Filter Media: Pleated Polypropylene Endcaps: Polypropylene Extended Core: Polypropylene Gaskets/O-rings: Silicone, Buna N, Viton A, EPDM, T = PTFE. Dimensions (nominal): Outside Diameter: 2.7"(68mm)(nominal) Lengths: 5", 250mm, 10" (254 mm), 500mm, 20"(508mm), 750mm, 30"(762 mm), 1000mm, 40"(1020mm), 50"(1270 mm), other special.