This polypropylene lift-style pump was design with professionals in mind and dispenses at a rate of 1 gallon per 8 lifts or 1/2 quart per stroke. It is designed to thread into a 2-inch bung opening on 15-55 gallon drums. This pump is compatible with antifreezes, detergents, mild acids, and petroleum based liquids making this a versatile pump in your shop.