Flow-Max FMHC-170-20EZ 20 µ Synthetic Filter Media Jumbo Filter Cartridge The Watts Flow-Max Jumbo FMHC-170-20 Filter Cartridges outperform wound, spun, melt blown, resin bonded and other "depth" type filter elements because the chemically resistant pleated polyester media provides increased surface area and longer life, and are cleanable on filter of 5 microns and up. Cleanable (Reusable) Filter Sediment Filtration 20 Micron Nominal Chemically Resistant Pleated Polyester Filtration 100% Cellulose Free Specifications: Filter Application: Sediment/Dirt/Rust Cartridge Style: Drop-In Micron Rating (Nominal): 20 µm Manufacturer: Flowmatic Country of Origin: USA Length: 30-3/4" (78.1 cm) Outer Diameter: 7.75" Quantity per case: 1 Flow Rate: 150 gpm Temperature Rating: 40-140 °F Capacity: 30 psid Gallons Change Frequency: As Needed Filter Media: Pleated Polyester Notes: Cleanable (Reusable) Filter