Single-action piston hand pump designed specifically for chemical use. The rugged design leads to long life and low maintenance. Use with herbicides, insecticides, fungicides or fertilizers. Mounts easily on a tank or 55-gallon barrel with 2-inch NPT threads. Anti-drip spout has hose barb. • Delivers up to 1 pint (0.5 litres) per stroke. Linkage and shaft design eliminates side load or shaft binding. Comes complete, installs quickly. 90-day warranty.