FREE BONUS WICK + S221 Regin Six Refill Replacement Wicks are used in the S220 Regin Smoke Pen. Each wick will burn for approximately 30 minutes, producing a thin stream of dense white smoke, perfect for testing air flow, checking for leaks around doors and windows and proving air flow in fume hoods, kitchen exhaust hoods, and hospital isolation rooms. THESE ARE REPLACEMENT WICKS ONLY. Use with the Regin S220 Smoke Pen for a complete smoke-generating system. Order Regin S220 Smoke Pen separately, http://www.amazon.com/gp/product/B0149HNK7E
FREE BONUS WICK + S221 Regin Six Refill Replacement Wicks are used in the S220 Regin Smoke Pen. Each wick will burn for approximately 30 minutes, producing a thin stream of dense white smoke, perfect for testing air flow, ch...
