Laboratory fume cupboards one designed to contain exhaust fumes generated during laboratory procedures. Access to the fume cupboard is through the sliding sash (a transparent panel). In closed position the sash leaves a minimum gap for air intake . Supplied with fume exhaust fan, the fume cupboard must be connected with a duct to expel the fumes outside the lab. Supplied with gas, water & waste, as electrical connections, with front control panel.