DEF (diesel exhaust fluid) approved lever barrel pump fits all 5-55 gallon pails/drums with standard bung. Polypropylene construction with Viton seals. Stainless steel rod. Delivers 9 Oz. (ounce) per stroke. Use for DEF (urea), mold acids, alcohol, mild alkalines, anti-freeze, diesel, gas, machine oil, petroleum, thinners, windshield washer fluid.