can deliver 15″- 18″ patterns on standard latex paints and heavy materials. Requires 1.5 HP compressor or larger, delivering 5.5-7.5 CFM. Operates on air pressures 25-50 PSI. External mix, pressure feed for atex applications. External mix siphon feed for lacquers and fine finishes. All pro cam lock-unlock cup cover and yoke assembly. Air and fluid knob control to change pattern from round to fan shape. 1qt aluminum container.