Vacutec's LeakFinder Series portable smoke machines are smaller and lighter than previous models. The LeakFinder Series features OEM-approved smoke vapor and dye trace to find EVAP, lean code, and other leaks. Two models are available: the WV604, with an easy-to-use, one-button design and basic features; and the WV605, with enhanced features including smoke volume control and a "full range" flow meter measuring up to .010".