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Draft Checker Air Flow Detection Powder A quick, 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 ultrafine, lightweight silica powder, which remains suspended long enough for the user to visually check whether or not fume hood exhaust is functioning properly. It is also useful for detecting drafts, gas leaks, and air currents in rooms, ducts and exhaust systems. The amorphous silica powder is inert, nontoxic, and nonflammable. 11/2-g bottle.
WARNING: This product can expose you to chemicals including DI(2-ETHYLHEXYL) PHTHALATE (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm.
