Heavy-Duty Double-acting Polypropylene Diaphragm Pump with Telescoping Tube Assembly.Designed for Fast Transfer of Mild Chemicals, Mild Acidic Solutions and Water based media. Ideal for Dispensing DEF/Urea, Mild Acids, Alcohols, Anti-Freeze, Diesel, Chemicals, Fuels, Fuel Oils, Motor Oil, Transmission Oil, Water and Water based media.