FIRSTINFO 2 Way Air Blow Gun with Adjustable Air Flow and High Flow Nozzle Air blow gun with adjustable air flow to control the flow by turning the flow control knob easily. With 2-way air inlet , one in the top and another on the bottom. Convenient to connect with hose from top or bottom. With the higher flow nozzle for especially areas. Air outlet flow: 850L/min (operating pressure:90PSI); Max. working pressure:140psi ; Air inlet : 1/4 With long trigger for comfortable operating. High quality aluminum body construction for durable using.