Manufacturer: Vestil, Manufacturer Part Number: PAIL-PST-SSA Pail Pump is designed for dispensing and transferring liquids out of a five (5) gallon pail. This Piston Pail Pump is constructed of stainless steel. NOT RECOMMENDED FOR: Ammonium Chloride, Aqua Regia, Bromine Water, Calcium Chloride, Chloracetie Acid, Chlorine Water, Ferric Chloride, Ferrous Chloride, Freon 12, Hydrobrmic Acid, Hydrofluoric Acid, Sodium Hydroxide, Stannic Chloride, and Sulfuric Acid. MFG Part# PAIL-PST-SS