finally a safety air gun that will give you the power for all your cleaning needs. alandale's safe-t-air gun, with its exclusive power nozzle, is uniquely designed to fully utilize incline air pressure. This design also allows external air to be siphoned in during use to maximize cleaning performance. the alandale safe-t-air gun and power nozzle conforms with osha standards. Performance and safety tests based on 90 pounds maximum inlet pressure. available in short or long styles. no more wimpy clean-up jobs. Get the alandale safe-t-air gun and power nozzle. It works. . .