http://tinyurl.com/nts5w98
Lumax LX-1321 Black Corrosion Resistant Rotary Barrel Pump
Ideal for corrosive fluids
Stainless steel and pps construction
Fits 15-55 gallon drums with 1-1/2 inches or 2 inches bung
Delivers one gallon per 14 revolutions
Self priming and leak-proof fittings