Fresh Air Hose Equipment : Air-supplied respiratory protective equipment, in which the air is supplied through a hose from a fresh air source. There are various types such as half mask, full face mask, hood or blouse
Safety 2 Safety S2S - A Gateway for Plant and Process Safety, The European Web Portal for Process Safety, USA 2003. http://www.safety-s2s.eu/modules.php?name=s2s_wp4& idpart=4&op=v&letter=all, (IndS - Amer) {458}