Ultra-clean, no residue, non-abrasive, moisture-free gas for removing dust and other particulates from samples, microscopy slides, lenses, film, optical instruments, electronic parts, etc. in laboratory, service and manufacturing applications with jets of pin-pointed gas. Contains Dustex 8, a 100% ozone safe, ultra-pure gas, flammable, no CFC's, no HCFC's. Delivers up to 70 psi blasts. Excellent value with large 12 oz. (340ml) container for more cleaning action. Export: By Air Cargo or U.P.S. Ground.