The SterilGARD® Duo Biological Safety Cabinet provides personnel, animal, and environmental protection with a unique dual-access work area advantage. HEPA supply and exhaust filters protect personnel, animals, and the environment. 12" viewscreen sash opening. Slanted viewscreens minimizes glare for a more comfortable view of the worksurface. Touch screen control panel located on either side of the cabinet for all settings and adjustments. Access to the work area via the viewscreen opening is restricted to one side at a time during normal operation. Continuously adjustable mobile lift for work surface heights of 35 3/8” to 47 3/8” provides maximum operator comfort, increased productivity and reduced fatigue. Removable worksurface plates above a deep well work area provide versatility for various procedures.