The 300 Double Shroud Hood System is optimized for maximum contact protection and versatile infection prevention  in Bio-Medical and Industrial applications such as BSL-3 labs. The single piece 360o protection breathable hood with double shroud-filter-lens allows easy chang-out, and greater safety, comfort, convenience and cost effectiveness than conventional PAPRs due to MAXAIR's exclusive NO Hose, NO bulky blower unit, and unique LED safety indicators.