Labconco 3980200 User Manual - page 65

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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.   

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" 

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