The  product is adopting an environmentally protective formula and natural material,the product can be applied for the auto air conditioner without removing it.The powerful foam could soak into the interior of the air conditioner,so that it could directly get rid of the dirt,oil stain,bedbug and other sundries in the air conditioner.Meanwhile,it could kill the bacteria,remove the odour,and prevsent the bacteria from growing  for a long time.The product is possessed of the ability to recover the refrigeration and heating performance for the air conditioner,save power and extend the duration for the air conditioner.