Franklin 20" x 2.5" OD Spun Poly Filter Cartridge, NSF 42 Certified (FWPS Series)

Product Overview The Franklin 20" x 2.5" OD FWPS Series Spun Poly Filter Cartridge provides high-capacity sediment filtration for commercial, industrial, and high-demand residential water treatment systems. Built from thermally bonded polypropylene fibers, this cartridge delivers reliable contaminant reduction without using binders, surfactants, or adhesives. Its graduated three-layer density structure improves filtration efficiency and dirt-holding capacity by trapping larger particles near the exterior while finer particles are captured deeper within the cartridge core. This design helps maximize service life while maintaining low pressure drop and consistent flow rates. The extended 20" length provides increased filtration capacity and longer replacement intervals compared to standard 10" cartridges. Key Features Extended 20" cartridge design for higher dirt capacity 100% melt-blown polypropylene construction Three-density filtration structure for improved performance High contaminant retention with low pressure drop Long service life reduces maintenance frequency Chemically resistant polypropylene media No glues, binders, or additives NSF 42 certified for material safety Applications Commercial water filtration Industrial process water Reverse osmosis systems Food & beverage filtration Chemical processing Electroplating systems Water purification equipment Specifications Specification Detail Series FWPS Series Cartridge Length 20" Outside Diameter 2.5" Media 100% Melt-Blown Polypropylene Construction Thermal Bonded Max Operating Temperature 65°C (150°F) Nominal Replacement Pressure Drop 1.5 Bar (22 PSI) Maximum Pressure Drop @ 20°C 3.2 Bar (46.4 PSI) Max Flow Rate 2–8 GPM Micron Ratings Available 1, 5, 20, 50 Micron Certifications NSF 42, FDA CFR Title 21 Frequently Asked Questions Why choose a 20" filter cartridge? A 20" cartridge provides greater sediment-holding capacity and longer service intervals than a standard 10" cartridge. What is the benefit of the three-layer construction? The layered density structure improves contaminant capture efficiency while maximizing dirt-holding capacity and maintaining flow performance. Is polypropylene chemically resistant? Yes. Polypropylene offers broad compatibility with many water treatment and process fluid applications. Will the filter affect water taste or smell? No. The polypropylene media will not add taste, odor, or color to the water. Can this filter be used in industrial applications? Yes. The FWPS Series is commonly used in commercial and industrial filtration systems including process water, chemical processing, and pre-RO filtration.