Gabchems Lemon Scented Air Conditioner Deodorizer, It is effective against accumulated mold, bacteria and cigarette odors radiating from the interior and air conditioning system. Increases vehicle comfort after application. Eliminates unwanted odors in vehicles in less than 15 minutes. It is easy to use. There is no need to remove the air conditioning filters. It leaves a pleasant, fresh and clean scent in the car with its lemon scent formula.