SAYES® MBE SERIES FILTER CARTRIDGES Economical Melt Blown Depth Filter Cartridges - PP Core Provides Excellent Strength - Unique Patent Pending Process - Easy and Safe Cartridge Incineration and Disposal - 100% Polypropylene Construction - Free of Surfactants, Binders, and Adhesives Product Specifications Retention Ratings: 1, 3, 5, 10, 20, 25, 50, 75 µm Maximum Differential Pressure: - 50psid (3.45 bar) @ ambient - 25psid (1.72 bar) @ 140°F (60°C) Recommended Change out Differential Pressure: 35psid (2. 1 bar) Purity: - MB Series filter cartridges are free of surfactants, anti-static agents, binders, and adhesives. Materials of Construction: - Filter Media: Polypropylene - Endcaps: Polypropylene - Extended Core: Polypropylene - Gaskets/O-rings: Silicone, Buna N, Viton A, EPDM and Polyethylene (PE) Dimensions (nominal): - Outside Diameter: 50, 55, 60(nominal), 63, 65, 115mm - Inside Diameter: 20mm, 28mm (nominal), 30mm - Lengths: 250mm, 10" (254 mm), 500mm, 20" (508mm), 750mm, 30" (762 mm), 1000mm, 40" (1020mm), 50" (1270 mm), other special available.