The TBJ Model 36-162 BD-WB Backdraft Workbench is designed to provide an economical vented workbench for controlling odors, gases and chemical fumes by capturing and exhausting air back and away from the work zone of users. The tabletop mounted backdraft plenum is designed to provide an even backdraft capture velocity to efficiently exhaust odors and fumes and provide a healthier, safer work environment. A wide variety of optional features including sinks, storage drawers and cabinets, lab gas fixtures, lighting and push-button height adjustment enable you to customize a work bench around your specific needs.