Poly-Fine® II, Filter Cartridges, Removal Rating 3 μm, Polypropylene, Length 20 Inches, silicone, SO

Pall's proprietary polypropylene filter media is a pre-filtration cartridge that's perfect for the pre-filtration process. It has silicone elastomer gaskets and external 222 O-rings that retrofit other manufacturers' Code 0s. These filter cartridges are excellent for general use and have a high capacity to hold various contaminants.