The DiversiTech Smokeys smoke emitter cartridge delivers reliable, oil-free smoke for professional testing and safety applications. With a 2½-minute burn time, 1100 cubic feet, it’s ideal for detecting leaks in heat exchangers, air ducts, tanks, and boilers. The clean, chemical reaction-based smoke is also perfect for fire drills, as well as the placement and testing of smoke alarms and detectors. Compact, efficient, and versatile—Smokeys makes smoke testing simple.