![Ductwork Limited Warranty](https://documents.gaf.com/warranties/ductwork_limitedwarranty.jpg)
Ductwork Limited Warranty
Warranties
![Ductwork Limited Warranty](https://documents.gaf.com/warranties/ductwork_limitedwarranty.jpg)
The Master Flow™ 90-Degree Oval Vertical Elbow is designed to change the vertical direction of a run of 6 in. oval pipe in an HVAC system. It's an excellent alternative to a stack duct. This elbow is made of 30-gauge, galvanized steel for strength and durability. It can be installed with sheet-metal screws.
Warranties
Brochures and Literature