AES Industries 726 Plastic 5 - 55 Gallon Commercial Soap & Detergent Drum and Barrel Pump Designed to withstand commercial grade soaps & detergents 1" thread on bottom of pump; 2" bung adaptor included for 55 gallon drum use Polyethylene and Polypropylene construction resists corrosion Fits 5 gallon buckets and 55 gallon drums when using included extension 33" total length with 5 gallon bucket extension; 50" total length with 55 gallon drum extension