​Why do so many firefighters have moustaches? The story is really quite simple. Before the days of the self contained breathing apparatus, or SCBA, firefighters had to come up with a way to prevent the inhalation of potentially toxic smoke. Firefighters would grow large moustaches and would dunk them in water before entering a structure that was on fireand would only breath through their nose. The wet moustache would essentially act as a filter. As time progressed so did technology and now firefighters have elaborate and expensive equipment to protect their lungs from harmful smoke. However, no matter what new piece of equipment is introduced the tradition lives on…”