To be mounted into round duct by mounting frame
Polypropylene body with adjustable core and thread
Case Quantities: 10
| Model | ⌀ A | ⌀ B | ⌀ C | D |
| PAV-B 4" | 3-13/16" | 5-7/16" | 3-9/16" | 9/16" |
| PAV-B 5" | 4-13/16" | 6-5/8" | 4-1/2" | |
| PAV-B 6" | 6-3/16" | 8-7/16" | 5-1/8" | |
| PAV-B 8" | 7-11/16" | 10-1/16" | 7-7/16" |