Review on 12V Automotive Fuel Leak Detectors - Advanced Smoke Leak Locator Tester for All Vehicles - Car PIPE Leakage Tester with EVAP Support by Dave Rasic

This is a great device with built in air supply so all you have to do is make sure the oil level is correct and connect it to the battery and power off you go. produces a lot of smoke in just a few minutes. The only thing I don't like is that some nozzles aren't that good at sealing the cavities you need to seal, but if you're creative, if there are ways to clog them, you can or you can Buy better quality adapters. Overall, the device performs very well for its intended purpose and is a very good choice compared to more expensive models.