The Redline Detection UV Smoke Producing Fluid is designed for automotive smoke machines. The 8 oz. bottle can service over 1,000 vehicles. Made with a mineral oil base with integrated UV Dye Technology. Smoke carries a UV-reactive dye that glows under UV light to clearly mark leak locations. Produces consistent, dense smoke for accurate leak detection. Optimized for automotive leak detection without contaminating systems. Compatible with Redline Detection machines. Ideal for use with professional EVAP and vacuum leak detection systems.