Neoprene seals resist wear from abrasive fluids. Double acting diaphragm delivers one full gallon per eight strokes. 8 ft hose with discharge nozzle assures long reach. Fits drum size 16 to 55 gallon with 2 in. bung opening. Model 1326 is a double acting diaphragm action pump for dispensing gasoline, diesel fuel and similar petroleum products.