Application:Employing the special structural design with oil-free low air pressure and low flow, this Air Pump can be used with supporting tools of artistic spraying and of low air pressure and low flow, like for art designing and painting, colored drawing of human body, cake flower making, ad production, color spraying for flowers, etc. The application air pressure range is 10-30PSI.1. Diaphragm-type compressor employed, oil-free design, safe and reliable: