Stinger has been the #1 Top-Rated Automotive Smoke Machine on Amazon for 6 years running. Made in the U.S.A Stinger professional car and truck smoke testing machines use the best materials: Thick Aircraft-Grade Aluminum Housing, Heavy Duty Brass Smoke Tips (Not plastic), Stainless Steel Latches & Insanely Overbuilt Heating Elements, to give you an automotive smoke machine that will outlast your shop, with exceptional performance & reliability. Find your vacuum line leaks, Evap leaks, exhaust leaks, coolant leaks, door & window leaks, etc. Stinger makes the most heavy-duty smoke machine on the market bar none, thats why its the #1 rated machine on Amazon. Engineered by aircraft mechanics, Stinger produces huge amounts of diagnostic smoke to pinpoint the smallest vacuum leaks. Hand-lathed from 1/8" thick 6061 aircraft-grade aluminum with 1/4" thick aluminum lids & bottoms with aircraft-grade adhesives throughout for exceptional strength. Stinger car & truck smoke testers feature our exclusive instant-off lid for oil fills, 10-amp super-thick 14 gauge fused power cable thats 12 feet long, combined with the 6-foot smoke hose thats 18 feet of reach to smoke test any automotive / engine system on your vehicle! Included with your #1 Rated Stinger Smoke Machine is an Evap Port Adapter, two beefy brass universal smoke testing tips & brass hose plug. Stinger leak tests all engine / vacuum lines / emissions hoses / manifolds / Evap / exhaust, etc. Stinger uses far larger passageways than any other smoke machine, carrying more diagnostic smoke to your leaking engine components for superior leak detection. Order your Stinger Pro 2 Automotive Leak Detector / Evap / Vacuum Diagnostic Tester today and own the #1 rated car smoke machine on Amazon for 6 years running. Proudly made in the U.S.A. Backed by dedicated craftsmen who care about every machine they make. Stinger Pro 2 is built to exceed your expectations. Order now and see why were #1!