CleanAire II Ductless Hoods are designed to meet DH I requirements as defined by SEFA 9. This hood features a built-in carbon filtration system to adsorb non-toxic fumes and odors. The hood is equipped with an integral blower, vapor proof light, fan and light switches. The hood superstructure is constructed of chemical and flame resistant, non-metallic, composite resin with a molded one-piece seamless interior fume chamber.