WF-PE2020, NSF approved 2.5-inch x 20-inch Pleated Sediment Water Filter Cartridge is compatible with standard 20-inch housings of water purification systems. Our filter cartridges eliminate dirt and other suspended contaminants down to 20 microns in municipal and portable water to enhance quality. WFD filter cartridges offer “depth” filtration for improved sediment extraction, functioning at higher flow rates while maintaining lower pressure drops. Constructed from certified materials for drinking water, beverages, and liquid food uses as well as commercial and industrial applications. Media: Polyester (Washable and reusable) Center Tube Material: Polypropylene End Cap Material: PVC Recommended replacement interval is around 4-6 months, depending on the quality of the initial water source and type of application. Micron Rating: 20 Micron. Operating Temperature: 40-140 `F (4.4-60 `C) Offered in various packaging quantities.