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8
How PowderSafe™ Type B Works:
1. Air enters at “
A
” and is drawn in a laminar flow toward the rear plenum of the
enclosure while being mixed with contaminated air ”
B
”.
2. At “
C
” the contaminated air first enters a roughing pre-filter before entering
the primary HEPA filter.
3. Air cleaned by the primary HEPA filter enters the permanent safety HEPA
filter at ”
D
”.
4. Clean air is returned to the room at “
E
”.
AIRFLOW DIAGRAM
Figure 1. Airflow diagram