this product adopts advanced manufacturing technology and has the function of decontamination and cleaning, rapid deodorization, rich foam, which can go deep inside the air conditioner and directly wash away the dust, oil, insect stains and other debris from the fan and evaporator inside the air conditioner, remove the odor and emit a fresh lemon fragrance! acts to restore and strengthen the air conditioning cooling effect, energy saving, reduce consumption and extend the service life of the air conditioner.