Designed to use with barrels or tanks for all types of petroleum products; SAE30 motor oil max viscosity. Fluid transfer made smooth and easy. Siphon effect acheived by attaching hose to outlet spout. Lightweight die-cast aluminum body. Included suction pipe adjusts for 15 to 55 Gal drums. -15 to 150° Fahrenheit min to max ambient operating temp. 7.5 Gal of fluid per 100 revolutions. 1 in NPT inlet, 2 in NPT bung adapter and suction tube. 1 in OD gooseneck discharge spout.