General description many ba sets may not be chemically-resaretant so it importsant when wearing non encapsulating suits to protect them also.. Our trellchem hood will protect all your ba sets and allow you to maintain vareual sight of the ba sets gauges.. The vareor increases your facial protection and will not hamper your vareion.. Features gives protection to ba sets re-usable does not impede when working benefits it are fitted with a long zip in one side so you can put on easily and quickly there are two slit openings on the chest to allow you to read the gauge you exhale your air through an outlet valve in the back of the hood ordering information Year of Estd.. : 2007