Delta Cooling Towers manufactures a complete line of corrosion-proof engineered plastic cooling towers. The towers incorporate a high efficiency counter-flow design and carry a 20-year warranty on the casing, which is molded into a unitary leak-proof structure of engineered plastic. Towers range from 10 to 2000 tons. NEW Anti-Microbial (AM) Cooling Tower displays the only Anti-Microbial Activity against Legionella bacteria. The towers are manufactured with anti-microbial resin, which is fully compounded into base cooling tower plastic. Packing Systems and Air Strippers also available.