| Attenuation Low Range |
10 dBA |
| Attenuation High Range |
15 dBA |
| Back Pressure High-Range (Metric) |
76 mm HG |
| Back Pressure High Range |
2.99 in HG |
| Back Pressure Low Range |
0.98 in HG |
| Back Pressure Mid Range |
2.01 in HG |
| Back Pressure Low-Range (Metric) |
25 mm HG |
| Back Pressure Mid-Range (Metric) |
51 mm HG |
| Body Diameter |
9-1/64 in |
| Body Length |
29-19/64 in |
| Diameter |
9 in |
| Diameter Range |
4 to 5 in |
| Inlet Diameter |
4 in |
| Length |
29-1/4 in |
| Outlet Diameter |
4 in |
| Overall Length |
73 in |
| Rated Flow High Range |
1629 cfm |
| Rated Flow Low Range |
929 cfm |
| Length Range |
29 to 30 in |
| Style |
Style 1 |
