MAHLE Oil Leak Detector ELF-3How many times have you had a suspected a leak, butyour leak detection methods couldn't pinpoint it? Never again will you miss a vacuum leak, EGR leak,intake leak, evap leak, oil leak, or coolant leak! Locate virtually any kind of leak quickly, easily, and best of all, save money by eliminating wasted time. What makes the ELF 3 leak locator, leak finder so superior to other smoke machines? Very simple every other smoke machine leak detector out there