Plews/LubriMatic has a pump for any need, from 5 gallon pail pumps to numerous options to fit 15 to 55 gallon drums. Also available are suction guns and hand transfer pumps. Fits all 5-55 gallon pails/drums with standard bung. Ryton construction - Teflon and Viton Seals. Delivers 7 gallons per 100 revolutions. Standard carton quantity 4.