Nu-Calgon Smoke Signal Refill Package
- Six-wicks
- Smoke signal generates smoke by chemical reaction, eliminating costly equipment and time to pinpoint leaks
- Smoke tests will effectively and inexpensively reveal leaks in heating and air conditioning duct work, furnaces, fire boxes, exhaust fans and smoke detectors
- Smoke Signal items contain no explosive materials
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Catalog
https://assets.unilogcorp.com/267/ITEM/DOC/Nu_Calgon_61305_Catalog.pdf