Pressure Washer Pump, Max. Flow 5.50 gpm, Max. Fluid Temp. 120 Degrees F, Max. Pressure 4000 psi, For Use With Mfr. No. 65018, Inlet 3/4 In. NPT, Dimensions 12-1/2 In. L x 10-1/2 In. W x 7-1/2 In. H, Material Brass, Ceramic, Includes Piston Pumps