High quality polypropylene piston pumps with high density polyethylene internal parts will fit a 2" or 3/4" IPS female opening.  Suction tubing and clamps provided to fit 5-, 15-, 30- and 55-gal. drums. Discharge spout rotates 360°. Recommended for use with water-based fluids, light oils, mild acids and corrosive soaps, detergents, waxes, deodorants, etc.