Polyethylene Hand Operated Drum Pump with Piston Bellows-action hand pumps can transfer fluids to lower level for easy transfer and emptying. Use with low-viscosity fluids in 15, 30 or 55 gallon drums. These pumps offer a polyethylene body, piston and corrugated flexible discharge tubing. Bung adapter included. Technical Specs: Item: Hand Operated Drum Pump Action Type: Piston Housing Material: Polyethylene Wetted Materials: Polyethylene Discharge Tubing Material: Polyethylene Piston Material: Polyethylene For Use With: Low-Viscosity Fluids GPM: 7 Max. Viscosity: 500 SSU Inlet Size: 1" Outlet Size: 1" OD Discharge Tube Outlet ID Size: 15/16" Discharge Tube Outlet OD Size: 1-1/16" Discharge Tube Length: 54" Suction Tube Length: 34" Suction Tube Outlet O.D. Size: 1" Suction Tube Type: Tube Adapter Type: 2" NPT Bung Adapter Material: Polyethylene Adapter Dia.: 2" Features: Light Weight Includes: Discharge Tubing Max. Liquid Temp.: 140 Degrees F Self-Priming: Yes