Master Flow 14 in. x 8 in. to 9 in. Insulated Register Box with Flange R-6

The Master Flow 14 in. x 8 in. x 9 in. Insulated Register Box with Flange provides a transition from round pipe or insulated flexible duct to air register or grill. It is insulated so there is no need to wrap after installations. The insulation also serves as a noise deadener and helps control condensation. It is designed for 9 in. round ducts. The built in flange can be used with Snap on Rails to make installation easier.

• Transition from round pipe or flex duct to air register or grille
• 30-Gauge galvanized steel
• Pre-insulated, no need to wrap