Filter Cartridge, String and Blanket Wound Cartridges, 30 Micron Rating, Height 9 3/4 in, Filter Diameter 2 1/2 in, Filter Cartridge Media Polypropylene, Filter Flow Rate 4.0 gpm, Max. Temp. 165 Degrees F, Filter Reduces Dirt, Rust, Sand, Scale, Silt, Max. Pressure 125 psi, Application Whole House, Inside Dia. 1 in, Service Life 12, 000 gal, For Use With HF-360A, Mfr. No. HF-150A, 1 Pair