Orion air nozzle using the AC ionization technology to provide a stable ion balance, and can quickly eliminate static electricity and dust particles on the entire workpiece. Superior performance to provide the best anti-electrostatic damage protection. Of foot manipulation or light control Model operate automatically and save gas consumption? 0 + /-15V residual voltage (ion balance)? rapid elimination of static electricity? the next nozzle to replace 0.2micron filter? light touch switch high-voltage and output stream? wind out of the amount of regulation? ion output indicator lights? nozzle body with ergonomic design? the optional the foot manipulated Model (Sidekick)? light control model (optical sensor) to buy Guo Cheng Kung University (demon Wu demon umbrella wine left Temple paint)