Air Operated Double Diaphragm Pump 1/2" , Polypropylene Body , Teflon Diaphragm , Teflon Flat Valve, Max. Flow 11.90 GPM, Air Consumption 12.4 CFM. Recommended for use with Windshield Washer Fluid, Antifreeze, Caustic Soda, Sulphuric Acid (upto 75%) , Waste Water
