Master Flow 12 in. x 12 in. to 10 in. Ceiling Register Box

The Master Flow 12 in. x 12 in. to 10 in. Ceiling Register Box features a 30-gauge, galvanized-steel construction to provide strength and durability. This ceiling register box creates a transition from round pipe or insulated flexible duct to an air register or grille. It can be installed with sheet-metal screws.

• Used in ceiling applications (snap-on rails sold seperately)
• Durable galvanized steel construction
• Connect to round pipe or insulated flex duct