Hydraulic Spin-on Filter, Filter Media - Filters Paper, Micron Rating 3, Max. Flow 50 gpm, Max. Operating Temp. 225 Degrees F, Inlet Port Thread Size 1-1/4 in NPTF, Outlet Port Thread Size 1-1/4 in NPTF, Max. Pressure 150 psi, Bypass Valve Pressure 15 psi