Abstract: A fume hood comprised of a first and second side wall, a back wall, a top wall, all of which define a work area, an access opening for providing a user access to the work area, a multi-window movable sash member disposed for vertical movement across the access opening and to vary the effective size thereof, a plurality of window positioning mechanisms, one window positioning mechanisms for each of window, and a common drive mechanism to drive each window positioning mechanism and simultaneously raise or lower each window of the multi-window movable sash member.

Abstract: An apparatus comprised of a fume hood, a box frame comprised of a box frame chassis and a lift chase functionally engaging and supporting the fume hood, the fume hood and the box frame forming a hood/box frame unit, and a pedestal functionally engaging and supporting the hood/box frame unit. The hood/box frame unit is adapted to be separated from the pedestal and moved to another location and/or placed on a second pedestal.