Bottle-feed, dual-action, internal mix airbrush for general-use spraying - siphon-feed makes it easy to quickly swap out color bottles. Also features: ergonomic handle; optimized trigger mechanism; large needle-chucking nut for easy assembly and replaceable internal Teflon needle packing (safe with solvent-based paints). Useful for T-shirt painting, model-railroad landscapes, R/C cars, plastic models and other general art, hobby and craft projects.