- orders@davidsmithradonsupplies.com
- (800) 838-1352
Firestops 3″ and 4″
Our radon fans & accessories are only sold to licensed mitigators in the United States.
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For more information about any of our products, or for help with registering, please call 800.838.1352 or 309.662.6357.
Protection against PVC acting as a passageway for fire and smoke. When exposed to fire, they expand and seal voids caused by the breakdown of the pipe. East to install.
