Pressure Regulator, Max. Flow 4 gpm, Max. Fluid Temp. 140 Degrees F, Max. Pressure 4, 500 psi, For Use With Universal Gas Pressure Washers, Inlet M22, Dimensions 2 in W x 4 in H, Material Brass/Polypropylene, Includes Instruction Manual. This item has been restricted from sale in the following state (s): []