The blow gun allows for numerous compressed air applications and is suitable for all compressors with a working pressure of 2 to 8 bar. The practical blow gun can be used to clean the workspace and to dust off paintable surfaces. The blow gun can be combined with the various filling needles and adapters included in the set. The set includes a ball filling needle for easy inflation of balls, an air mattress adapter for inflating air mattresses, and a universal adapter for various applications. The different adapters can be easily screwed onto the blow gun.