It cleans and brightens as a new coil, condensers, evaporators etc. with creating high foam. It enables uninterrupted air circulation and enhances cooling. It will not damage non-metals and metals such as aluminum, copper, mild steel, brass etc. A/C BRITE Alkaline High Foaming AC Coil cleaner is specialist in cleaning multiple type of dust, dirt, oil, grease. Apply on the AC coil. Leave it for 5-10 minutes and then wash the AC coil with normal water and make it dry.