4: Performance Features and Safety Precautions
24
Note: The HEPA filter media is very fragile. DO NOT touch the media. If you think
the media of a HEPA filter is damaged, DO NOT USE THE CABINET. Have the
HEPA filter integrity tested by a certifier before using the cabinet.
Note: HEPA Filters are only effective against particulate material. Gases will pass
through the filter.
Filter frame
Polyurethane seal
Between media pack
and filter frame
Filter media pack
(A continuous sheet of filter media)
ULPA Filters
Optional ULPA filters may be used to replace the standard HEPA filters in the
cabinet. ULPA filters have the same properties as described above except they
are rated at least 99.999% efficient in removing particles 0.1-0.2 or 0.2-0.3 micron.
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