1-1/2"-dia. x 5"L smoke generator monitors airflow and wind direction
1-1/2"-dia. x 5"L smoke generator produces clean smoke that is visible thousands of feet away. Maintains a consistent whitish gray smoke throughout burn times varying from 30 seconds to 3 minutes. Total obscuring power of 2,100—10X that of burning oil. Contains no explosive materials and works with most blowers. 3-minute generating time. 40,000 cu. ft. smoke volume. Pkg. of 12. USA made.
2016 Master Catalog: Page 456