Smoke Generators from Superior Signal offer a cost-effective method to find sources of surface inflow causing wet-weather sanitary sewer overflows. It is a fast and easy way to find leaks and faults in collections systems, laterals, plumbing, drains and vents. Classic Smoke Candles and Smoke Fluid Systems, plus Smoke Blowers are available specifically for smoke testing. Classic Smoke Candles provide visible smoke to detect faults at a long distance. Smoke Generators are available in sizes to fit any need, from 30 to 500,000 cubic feet. Smoke Fluid Systems use an insulated heating chamber with stainless steel injector to maximize dry smoke output and produce quality liquid-based smoke. The smoke meets WEF, NASSCO and EPA standards. 800/945-8378; www.superiorsignal.com.