REF-CLEAN A High Foaming Coil Cleaner for Condenser coils Contains NO ACID, but brightens foams and cleans just as well or better than acid-based products! REF-CLEAN is a non-acid, alkaline-based product for brightening and cleaning air cooled condensers. It contains the best available detergents and surfactants to quickly penetrate and remove greasy soils and oxidation. Its "high foaming action" helps lift greasy soils out of the coil, leaving equipment clean and bright. REF-CLEAN has been developed to remove contamination from heat transfer surfaces and increase air flow for increased electrical efficiency