Product
|
Damper
|
| Backdraft Damper |
Model |
A |
B |
C (Nominal) |
Gauge |
BDD4" |
2.3 |
2.9 |
4 |
20 |
BDD6" |
2.7 |
3.9 |
6 |
20 |
BDD8" |
3.5 |
5.3 |
8 |
20 |
BDD10" |
3.5 |
6.1 |
10 |
20 |
BDD12" |
3.5 |
7.0 |
12 |
20 |

