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A quick and easy way to test the safety of fume hood exhaust before use. Just a squeeze or two from the plastic bottle dispenses a cloud of ultra-fine, lightweight silica powder, which remains suspended long enough to visually check whether or not the fume hood exhaust is functioning properly.<br><br><ul style="margin-top:0px; padding-top: 5px; padding-bottom: 5px;"><li>Useful for detecting drafts, gas leaks and air currents in rooms, ducts and exhaust systems</li><li>Amorphous silica powder is inert, non-toxic and non-flammable</li><li>1.5 gm bottle</li></ul>

Bel-Art Draft Checker Airflow Detection Powder, 1.5 gm

draft-checker-airflow-detection-powder-15-gm

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