Regin Smoke Pen, 3 Hours - S220
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<b>[Product Information]</b><br>
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<li>Dense white smoke for easy viewing of air flow and leaks</li>
<li>Continuous stream that can be started and stopped.  Total burn time, 30 minutes per wick.</li>
<li>Safe, non-toxic, no ash or residue</li>
<li>Light with match or cigarette lighter, Not for use near combustible gases</li>
<li>Contains: 1 Smoke-Pen with 6 wicks</li>
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