Ingersoll Rand brings a higher level of pumping efficiency and reliability to customers with a family of diaphragm pumps designed specifically for automotive and fleet maintenance that will not stall, freeze, and can run dry without damage.The ARO brand diaphragm pumps made by Ingersoll Rand are lightweight, portable, and available in both 1/2" and 1" diameters. Available in different body materials, including aluminum, stainless steel, and polypropylene, for optimum fluid compatibility; these pumps are ideal for handling windshield fluid, motor / gear oil, transmission fluid, anti-freeze, waste oil, solvents, and fuel (UL 79 approved).