Franklin 10" x 4.5" OD Pleated Filter Cartridge (FWPL Series)

Product Overview The Franklin 10" x 4.5" OD FWPL Series Pleated Filter Cartridge is designed for high-capacity sediment filtration in residential, commercial, and light industrial water treatment systems. Featuring durable pleated polyester media, this cartridge delivers increased surface area for improved dirt-holding capacity, lower pressure drop, and extended filtration life compared to standard sediment filters. Its washable and reusable design helps reduce maintenance costs while providing dependable filtration performance for potable water, reverse osmosis pre-filtration, cooling water systems, and general process water applications. The large diameter “Big Blue” style construction allows for higher flow rates and longer service intervals in demanding water filtration environments. Key Features 4.5" OD Big Blue style high-capacity filter cartridge Pleated polyester media increases filtration surface area Washable and reusable for extended service life Low pressure drop for improved system efficiency Available in 1, 5, 20, and 50 micron ratings Durable polypropylene core and polyethylene end caps Designed for residential, commercial, and industrial filtration systems Applications Drinking water filtration Reverse osmosis pre-filtration Cooling water systems Process water filtration Wastewater treatment Deionized water systems Plating chemical filtration Specifications Specification Detail Series FWPL Series Cartridge Length 10" Outside Diameter 4.5" Media Polyester / Polypropylene Core Polypropylene End Caps Polyethylene / Plastisol Max Operating Temperature 37.8°C (100°F) Max Differential Pressure 4 bar (58 PSI) Flow Rate 3–15 GPM Micron Ratings Available 1, 5, 20, 50 Micron Washable & Reusable Yes Frequently Asked Questions What does the pleated design do? The pleated filter media creates significantly more surface area than standard sediment filters, allowing for higher dirt-holding capacity, improved flow rates, and longer filter life. Can this cartridge be reused? Yes. The FWPL Series cartridges are washable and reusable, helping reduce replacement frequency and maintenance costs. What micron ratings are available? This cartridge is available in 1, 5, 20, and 50 micron ratings for various filtration applications. What housing does this cartridge fit? It fits standard 10" Big Blue style filter housings designed for 4.5" OD cartridges. Is this cartridge suitable for drinking water? Yes. It is suitable for potable drinking water filtration applications as well as commercial and industrial water systems.