NEO BCN Siphon Feed Dual Action Airbrush Siphon-feed airbrushes require slightly higher air pressures to pull paint up from inside the attached bottle Features a 0.5-mm needle and nozzle combination for high-performance and general purpose use Includes a 1 oz. big mouth bottle (Also compatible with other sizes of big mouth bottles and Iwata bottles) Ideal for operation is between 10 and 60 psi Better suited for use with high viscosity (thicker) paints