Access Panel removable to access ducting connections and electrical services from a single point electrical box,115V/60Hz AC operation.    Energy Efficient T-5 two-bulb vapor proof fluorescent light fixture, with light switch on left column, all factory installed.    Full 68” Viewing Height for ease of access and unobstructed view of fume chamber and working with tall apparatus and distillation grids.    Ergonomic Sash Lift contoured for efficient airflow and ease of movement    65” Sash Height for viewing of fume chamber, loading and unloading equipment for set up.    Angled Picture Frame Opening the aerodynamic face opening with air foil provides uniform air flow into the fume chamber and thru the VaraFlow baffle system to the bell shaped exhaust collar.    Sash Stop located at 1/2 open sash height or to suit your specific requirements, optional equipment. Cat. No. 51651    Air Flow Monitor continuously monitors face velocity airflow, analog or digital available. Meets ANSI and OSHA requirements. Optional equipment.    Distillation Base Table All welded 2” square tube steel construction with chemical resistant finish.