(12) 20 oz. Cans. A powerful, thick, clinging foam which 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. Water-based foam creates no harsh vapors and leaves a fresh natural scent. Bio-enzymatic action removes stains and odors associated with mold & fungus. Spray in pan and drain lines to help keep them clear and destroy odors.