CD887 Coil & Fin Cleaner18 Oz.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 finned areas. Routine cleaning of coil surfaces using Coil Cleaner will help ensure maximum efficiency of refrigeration and air conditioning units.