Price For: Each Item: Melt Blown Filter Cartridge Standards: FDA, CFR 21 Reduces: Rust and Sediment Microns: 5 Application: Whole House, Prefiltration Height: 9-3/4" Flow Rate: 20 gpm Max. Pressure: 125 psi Inside Dia.: 1" Filter Cartridges Sub-Category: Solid Cartridges Filter Media: Polypropylene Outside Dia.: 4-5/8" Max. Temp.: 100 Degrees F Country of Origin (subject to change): Mexico