BMB Colour Spray Gun for Paint-Air Operated (Blue) Air Inlet: 1/4 NPT or 1/4 BSP ; Nozzle Size: 1.2MM to 2.5MM. Cup Volume: 600-750 CC, Operating Pressure: 50 PSI, Air consumption : 14 CFM, Cup Volume: 600-750 CC --->High Quality Construction, Fully adjustable pattern control.--->Maximum Trigger Control. ---> Non-Bleeder, Siphone Feed, External-mix for Fine authorization.