ParappaTheRapper Ex-Bluelighter Joined Jan 19, 2012 Messages 2,389 Location Olive Garden Nov 22, 2014 #1 What is the half-life of a benzedrex inhaler..?
Dresden Bluelighter Joined Feb 2, 2010 Messages 3,212 Nov 22, 2014 #2 Four +/- 1.5 hours, so that would be between 2.5 hours and 5.5 hours.