Labconco Type C1 Biosafety Cabinet Models 30468 - Manual (Page 30)

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Chem-Zone
TM Directly Exhausted Work Zone
Unique to the Axiom is the Chem-Zone, a directly exhausted work zone. The
central portion of the work surface is surrounded by grilles on the sides,
front and back. Air entering these grilles is drawn to the Exhaust HEPA filter,
and when the cabinet is connected to an exhaust system, out of the
laboratory. This feature prevents the recirculation of volatile chemicals as
seen in Type A cabinets, while exhausting much less air than Type B2
models. This is illustrated in Figure 1-8a.
Figure 1-8a