Master Flow 10 in. Register Box with Flange

Master Flow 10 in. x 4 in. to 6 in. Register Box with Flange

• Features a minimum temperature rating of 100°F and a maximum temperature rating of 390°F
• Designed for 6 in. ducts
• Made of zinc-coated galvanized steel

Register Box with Flange is designed for 6 in. round ducts. This 30-Gauge register box with flange is made of zinc-coated galvanized steel. The maximum temperature rating is up to 390 degree F and the minimum temperature rating is as low as 100 degree F.