1. Formed ergonomic pistol trigger for maximum blow gun control and reduced operator fatigue. 2. Superior design long life trigger Valve Body assembly. 3. Max PSI = 220 PSI 4. Adjustable flow removeable. 5. Two Ways Air Inlet. 6. Aluminum Body and Steel Plug. 7. Nitto, Milton, Aro or Tru-Flate type plug.