Sprayon CD887 Coil & Fin Cleaner is a heavy-duty water-based foaming coil cleaner designed to remove stubborn grease, grime and chloride build up that can accumulate on refrigeration and A/C coils. Its foaming and penetrating action ensures proper coverage and cleaning of fins and coils. Routine cleaning of coil surfaces using Sprayon Coil Cleaner will help ensure maximum efficiency of refrigeration and air conditioning units.