The Smokeys smoke emitter cartridge by DiversiTech provides a 2-1/2 minute leak testing of heat exchangers, air ducts, tanks, and boilers. It produces clean, oil-free smoke through a chemical reaction. It can also be used for fire drills as well as the placement and testing of smoke alarms and detectors.Ideal for visual air balancing of HVAC systems,Economical and practical method of generating a realistic swirling,Non-toxic and non-staining smoke
