Free rinsing, odorless coil cleaner with foaming action. No Rinse, Non-Acid and No Harsh Fumes. Improves Air Flow and Reduces Energy Consumption. Powerful, thick, clinging foam removes dirt, lint and grease from air conditioner and heater coil fins. Convenient, portable aerosol features a strong directional spray which helps force foam into coil air spaces. BIO-ENZYMATIC ACTION REMOVES STAINS AND ODORS ASSOCIATED WITH MOLD & FUNGUS.