| Attenuation Low Range |
15 dBA |
| Attenuation High Range |
20 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 |
8-1/2 in |
| Body Length |
26-17/64 in |
| Diameter |
8-31/64 in |
| Diameter Range |
3 to 4 in |
| Inlet Clock Position |
6:00 |
| Inlet Diameter |
3 in |
| Length |
26-1/4 in |
| Outlet Clock Position |
9:00 |
| Outlet Diameter |
3 in |
| Overall Length |
29-1/2 in |
| Rated Flow High Range |
713 cfm |
| Rated Flow Low Range |
414 cfm |
| Length Range |
26 to 27 in |
| Style |
Style 4 |
