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Chapter 7: Accessorizing and Modifying your Filtered Enclosure
5. Exhaust Dampers
Exhaust dampers allow adjustments required to maintain
proper airflow for roof-mounted blowers or house exhaust
systems. This would primarily be useful only for the XPert
Filtered Balance Station, which does not have an integral
blower, but does have a 6" nominal exhaust outlet.
Catalog # Description
3924000 6" Epoxy Coated Steel In-Line adjustable damper
4724200 6" PVC In-line adjustable damper
6. Accessory Filters
HEPA Filter
HEPA Filter is 99.99% efficient on particles 0.3 micron.
Width Catalog # Size
2' 3707900 18" x 18" x 3.31"
3' 3707901 30" x 18" x 3.31"
4' 3707902 42" x 18" x 3.31"
HEPA Filter Bag-In/Bag-Out Bag
The bag helps contain hazardous particulate matter during filter
changing operations.
Width Catalog # Size
2' 3776003 48" Circum. x 54" lg.
3' 3776004 73" Circum. x 96" lg.
4' 3776005 96" Circum. X 96" lg.
Odor Control Carbon Filter
Provides granular activated carbon or impregnated carbon used
for Odor Control applications on integral motorized impeller
models exhausted back into the room.
Filter Classification and Size Catalog # X Pounds
2' Organic 18 x 18 x 1 3937200 5.5 lbs. activated
3' Organic 30 x 18 x 1 3937300 9.2 lbs. activated
4' Organic 42 x 18 x 1 3937400 12.9 lbs. activated
2' Formaldehyde 18 x 18 x 1 3937201 7.0 lbs impregnated
3' Formaldehyde 30 x 18 x 1 3937301 12.0 lbs. impregnated
4' Formaldehyde 42 x 18 x 1 3937401 16.8 lbs. impregnated
2' Ammonia & Amines 18 x 18 x 1 3937202 8.0 lbs. impregnated
3' Ammonia & Amines 30 x 18 x 1 3937302 13.5 lbs. impregnated
4' Ammonia & Amines 42 x 18 x 1 3937402 18.9 lbs. impregnated