Bel-Art Draft Checker Airflow Detection Powder 1.5 gm
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. UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" USEFUL FOR DETECTING DRAFTS GAS LEAKS AND AIR CURRENTS IN ROOMS DUCTS AND EXHAUST SYSTEMS AMORPHOUS SILICA POWDER IS INERT NON-TOXIC AND NON-FLAMMABLE 1.5 GM BOTTLE
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