Hand Operated Drum Pump Action Type Lever Pump Body Material Aluminum Wetted Materials Aluminum Buna-N Polyacetal Stainless Steel Steel Seal Material Nitrile Rubber Discharge Tubing Material Neoprene Rubber Hose and Aluminum Nozzle GPM 20 Max Temp 122 Degrees F Ounces per Stroke 27 oz Max Viscosity 1 500 SUS Inlet Size 3/4 in NPT Outlet Size 3/4 in FNPT Discharge Tube Outlet OD Size 3/4 in Discharge Tube Length 84 in Suction Tube Length 19-3/8 in to 34-27/32 in