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Figure 5b.

The Class II, Type B1 BSC (bench top design).

Connection to building exhaust system required.

A. front opening
B. sash
C. exhaust HEPA filter
D. supply plenum
E. supply HEPA filter
F. blower
G. negative pressure exhaust plenum

Note: The cabinet exhaust needs to be connected to the building exhaust.

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Last Modified: 1/2/97
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