**Priced per dozen

For Fire Training & Testing Sewer/Water Mains

Eliminates costly equipment and time wasted when attempting to pinpoint leaks.This highly visible smoke blends readily with air. They can also be used to trigger fire alarms, observe air flow or used as a signal. Other uses are to test fire masks, and use in Ideal for Fire Service Training and exercises. No residue to stain clothing or building interiors; no explosives.mShip. wt. 4 lbs.