Choose the piston pump that will handle the harshness of the liquid you need pumped. This polypropylene model should be used with water based fluids, light oils, mild acids, corrosive soaps. Fits a 2" or 3/4" IPS female opening. Adjust dispense rate to 25, 50 or 75% of pump volume. Comes with a handy 5 gallon pail adapter. Fits 5, 15, 30 & 55 gallon drums. Discharge spout rotates 360°.