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The Sterilgard is a unique Class II Type A (N.S.F. definition, Class II, Type B3 if vented to the outside) containment cabinet fabricated of stainless steel and other materials and designed by The Baker Company, Inc.. Clean (HEPA filtered) air descends through the work zone and at the approximate center of the work area splits, exiting either through the front air intake or rear exhaust grille. It is then pulled up the surrounding negative pressure plenum, through the fan, which pushes it into the small positive pressure plenum at the top of the unit (Figure 1). Here approximately 30 % is exhausted through the top exhaust filter and approximately 70 % is recirculated through the supply filter into the work zone. A metal diffuser just below the supply filter creates a faster air flow at the front (100 - 130 LFPM) and rear (70 - 90 LFPM) of the work zone with a slower air flow (50 - 70 LFPM) over the center of the work surface. This, Baker feels, will better protect the operator and experiment by creating a more impenetrable barrier at the unit front.Stainless Steel and Glass ConstructionHEPA Filtered Biological Safety HoodSash Opening Buzzer Alarm, Pressure DialInternal Fluorescent and Germicidal LampsIntegrated AC Outlet and Gas/Air/Vac Port InletsTelescoping Legs Allows User-Adjustable Working Heights**Unit has minor cosmetic damage on back right top corner.Manufacture Specification6 feet wideDrain Valve(2) Inlets, labeled Gas, VacAdditional Prep Fees May Apply
