COAT IT BLUE is an easy-to apply, self-etching, high performance modern polymeric water based coating that coats and protects metallic surfaces. It can easily be applied to domestic or commercial Condenser and Evaporator coils in the field. Coat It can prevent corrosion and prolong the life of your unit, and reduce energy consumption by 35%. It has exceeded 50,000+ hours ASTM B117 salt spray resistance test. Also available is a Coat It Clean Up aerosol and liquid to keep the contractor’s work area and his equipment clean.