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Chapter 4: High Performance Features and Safety
20. HEPA (High Efficiency Particulate Air) Filter is rated to
remove 99.99% of all particles 0.3 micron in size. See
Figure 4-2.
21. Lamp Ballast (Not Shown) for the fluorescent lamp is
located behind the control panel.
22. Accessory Work Surface (not shown) is dished and
contoured to fit the dimensions of the enclosures to contain
spills.
23. XPert Filtered Balance Station Exhaust Collar (Not
shown) provides a 6" diameter transition to a remote
blower or house exhaust system. See figure 3-2 in Chapter
3.
24. Accessory Odor Control Carbon Filters are available for
nuisance odor control. Accessory carbon filters are
designed to remove trace amounts of noxious fumes;
capacity is not adequate to remove continuous fume
generation. The carbon filters are supported above the
HEPA filter and the gasket side is down and compressed by
the weight of the carbon filter. Carbon filters are listed in
Chapter 7. See Figure 4-2.
25. Accessory Exhaust Connection Kits are available to duct
integral blower models including the XPert Filtered
Balance System to the outside. The exhaust connection
allows the operator additional protection from hazardous
fumes or vapors and should be used if the carbon filter
capacity is not adequate. Each kit includes an epoxy-
coated steel exhaust transition adapter with manual
adjustable damper designed for 6" diameter PVC duct. See
Figure 3-3 in Chapter 3.
26. Upper Diffuser Screen provides protection for the HEPA
Filter and (LED) airflow sensor. See Figure 4-1 and 4-2.
27. HEPA Filter Access Port to access HEPA filter during
filter changing procedures. For harmful powders and
particulates, the true bag-in/bag-out procedure is used to
properly dispose of the contaminated HEPA filter. See
Figure 4-2.
28. Utility Shelves (not shown) allow the user to hold utensils
and printers on shelves inside the enclosure. See Chapter 7.