DEF Lever Barrel Pump. Fits all 5-55 gallon pails/drums with standard bung. Polypropylene construction with Viton Seals. Stainless steel rod. Delivers 9 oz per stroke. Use for DEF (urea), mild acids, alcohol, mild alkalines, anti-freeze, diesel, gas, machine oil, petroleum, thinners, windshield washer fluid.