Dust Off 67 is a general purpose dust remover Is highly pure, oil-free and leaves no residue Equipped with normal valve, button and extension tube Aerosol can only be used in upright position For rapid removal of dust and loose dirt in precision mechanics, optics, electronics and electrical engineering For blowing out hard to reach in printers, disk drives, keyboards, circuit boards of bodies, etc. Dust and dirt removal in plant, equipment and machinery