... of super-mute oil-less host,independent positive and negative pressure pump.2,Using of advanced design,working platform ... Having doors around,easy to operate and maintain.3,Positive pressure spray gun,matched with exquisite loop design,to ... source)¦¦ ¦——> contains:1 set------Main operating desk1 ------Super-mute positive pressure pump1 -------Super-mute negative preesure pump1 -------Mute instrument3 ...