Heavy Duty Truck Air Seat Blow Gun Kit for Trucks with Air Ride Seat System. Heavy, Duty, Truck, Air, Seat, Blow, Gun, Kit, Trucks,Seat,System Includes hose that extends to 11-1/2 Blow gun with 2 nozzles AMF10-11K. Used for blowing inside cabin in trucks, operating pressure: 90 psi.