Facebook Inexpensive to operate & maintenance free HVLS Fans from Proflex. #Proflex #RoofingSolution #ProflexRoofingSolution Inexpensive to operate & maintenance free HVLS Fans from Proflex. #Proflex #RoofingSolution #ProflexRoofingSolution Jan 31, 2018 24 #Proflex #RoofingSolution #ProflexRoofingSolution