Iwata-Medea Revolution HP BR Dual Action / Small Gravity Feed Cup An internal mix, dual action top-feed airbrush with ergonomic handle design with a 1/16 oz Gravity-Feed cup Larger nozzle and needle combination (0.3-mm) that makes for easier spraying of thicker or heavier paints Redesigned trigger mechanism and larger needle-chucking nut for easy assembly Replaceable internal solvent-proof PTFE needle packing for use with solvent or water based paints A gravity-feed airbrush designed for quick changes of custom mixed colors Five year limited warranty