Penetrating Coil CleanerLiquid Performance Penetrating Coil Cleaner has a delayed foaming action that allows the non acid, non chlorinated, alkaline surfactant package to attack dirt, grime, soil, deposits and contaminants. Use on evaporators and condenser coils, HVAC units, automotive radiators, small air cooled equipment, metal filters and fan blades. The dual quat foaming action expands and flushes contaminants out of coils, as well as deodorizes drain pans. Cleans and