The vFan Gravity System from Preval is a portable spray system that delivers just about any liquid medium or coating that you can think of — paints primers, glues, stains — and allows the user to fully control the flow from a 1⁄16-inch fine-line detail to a 3-inch fan pattern on small surfaces.
The spray system delivers the exact color you want with no adulteration or tint changes. With the vFan Gravity, gravity itself acts as a siphon for the product, but unlike with other comparable gravity-fed airbrushes, your medium is securely contained within the cup using a threaded lid. This means that no matter how you hold the vFan, your paint will not spill out. The dual-action system is designed to be powered by compressed air and works with any standard pneumatic power source. The unit is compatible with solvent or water-based products.