This cast iron rotary pump was designed with professionals in mind and dispenses at a rate of 1 gallon per 13 strokes. This pump is designed to thread into 2-inch bung openings on 15–55-gallon drums. The spout has a curved spout 3/4-inch NPT thread for attaching a hose if desired and includes a 3-piece suction tube and water deflector to keep out unwanted debris.