Best 427 4 1/2" x 18 1/2" to 10" Round Transition; 6" High Lateral for Rear Discharge
Features
| Manufacturer | Best |
| Item # | 427 |
| Condition | Brand New Item - We are an Authorized Online Best Dealer |
Vertical Duct Transition (4.5" x 18.5" to 10" Round, 6" High Lateral)
