Use this Medium Nozzle for medium coverage area such as T-Shirts and Crafts when spraying thinned solvent based enamels, Airbrushing acrylics, Airbrush colors, and Testors Spraying Acrylics. For use with A320, A430, A470, 1000S, 2000S, 3000S Airbrushes. For best results spray at 20-40 PSI (1.4-2.8 Bar).