String Wnd Cartridge, 9-3/4In, 10 Mic, PR Price For: Each Inside Dia.: 1" Application: Whole House Height: 9-3/4" Reduces: Sediment Max. Pressure: 125 psi Filter Media: Polyester Outside Dia.: 2-1/2" Microns: 10 Max. Temp.: 100 Degrees F Item: String Wound Filter Cartridge Flow Rate: 4 gpm Filter Cartridges Sub-Category: String and Blanket Wound Cartridges Service Life: 12, 000 gal. Country of Origin (subject to change): China