This Master Flow 10 in. x 6 in. to 6 in. Diameter Universal Register Box is made of galvanized steel and provides a transition from round pipe or insulated flexible duct to an air register or grille. Available in an assortment of configurations.
- Galvanized-steel construction
- Creates a straight, in-line transition from round pipe or insulated flexible duct to an air register or grille
- Installs with sheet-metal screws
- Insulate ductwork for system efficiency and comfort
- Seal seams with code-approved mastic, sealant or duct tape (not included)