(6) METAL-FAB 4" B-Vent 90 Degree Adjustable Double Wall Elbow - 4M90
CASE OF 6 ELBOWS - NEW
This 90-degree adjustable double wall elbow measures 4 x 9.5 inches, designed for efficient HVAC installations. Ideal for both tradespeople and DIY enthusiasts, it ensures seamless duct alignment and airflow optimization.
| Type | : | Adjustable |
| Nominal Size | : | 4 inch |
| Bend Angle | : | 90 Degree |
- Fully adjustable from 0 to 90 degrees
- Listed and tested to UL 441
- Aluminum flue with galvanized casing
- Hemmed casing and flue
- Positive twist lock connection with SureLock tab standard on 3"-6"