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The SUPCO ZS301A Smoke Emitter Type 1A generates 4000 cubic feet of smoke in 30 seconds. These smoke candles are used for tracing airflow patterns and leak testing in duct work, furnaces, fire boxes, exhaust fans, and smoke detectors. They are disposable, simple to use, and require no external power or heat source.
Generates dense white smoke for air flow and leak detection. No external power needed. Complies with NFPA standards.
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