Drum Pump, Siphon, 500 SSU, Outlet Size 3/4 Inch Outside Diameter, Suction Design Tube, Suction Pipe Size Outside Diameter 5/8 In, Adapter Type 1 1/2 Inch Pail, Fits 5 Gallon Pails, Piston Polyethylene, Pump Body Material Polyethylene, Max Temp 140 Degree F, Includes Discharge Tubing, GPM 2, Discharge Tubing Material Corrugated Flexible Polyethylene, Internal Parts Material Polyethylene, Overall Length 21 1/2 In, Self Priming, Suction Tube 16 Inches Long