The 5E Electric Smoker from Superior Signal Company offers a cost-effective solution to find difficult leaks and odors in residential and commercial plumbing systems. Connect the blower to any plumbing clean-out or vent, and use an appropriate-size smoke candle to force smoke through faults and cracks, easily identifying sources of odor and hard-to-find leaks. It handles all residential and commercial smoke testing applications, using smoke candles from 30 seconds to three minutes. Smoke tests take just minutes to perform and offer immediate results. The unit comes with an 8-inch industrial-grade flex hose, weighs just 8 pounds and requires no maintenance. 800/945-8378; www.superiorsignal.com.