Facebook Noiseless operation with 24x7 efficient working wind driven ventilators from Proflex. #Proflex #RoofingSolution #ProflexRoofingSolution Noiseless operation with 24x7 efficient working wind driven ventilators from Proflex. #Proflex #RoofingSolution #ProflexRoofingSolution Apr 10, 2018 23 #Proflex #RoofingSolution #ProflexRoofingSolution