DETECT THE SMALLEST LEAKS: Tec1Tools Smoke Fluid is a Pure Automotive Grade Fluid formulated to produce high-density, high flow smoke that will reveal system leaks within minutes. FORMULATED FOR HIGH SMOKE OUTPUT: Tec1Tools Smoke Fluid is made using high-quality materials that produce high-density, high flow smoke throughout the system being tested. COMPATIBILITY: Tec1Tools Smoke Fluid works with any brand EVAP Diagnostic Smoke Machine. WHAT YOU'LL NEED: Any brand EVAP Diagnostic Smoke Machine. WHAT'S IN THE BOX: (2) 8 Oz Bottles of Smoke Fluid Refill › See more product details