The 5E Electric Smoker from Superior Signal 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, with the appropriate size smoke candle to force smoke through faults and cracks, easily identifying sources of odor and hard-to-find leaks. Smoke candles produce a highly visible, nontoxic smoke and are completely biodegradable. They are manufactured with zero-waste stream and include labels printed with vegetable-based ink on recycled paper as well as biodegradable, recycled paperboard tubes. The unit does not generate any harmful exhaust gases and handles all residential and commercial smoke testing applications. Smoke tests take just minutes to perform and see immediate results. The unit comes with an 8-foot industrial-grade flex hose, weighs just 8 pounds and requires no maintenance. 800-945-8378; www.superiorsignal.com.