10 in. x 8 in. to 8 in. Register Box with Flange


Heating, Venting & Cooling

The Master Flow 10 in. x 8 in. x 8 in. Register Box with Flange is designed for 8 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 degrees Fahrenheit and the minimum temperature rating is as low as -100 degrees Fahrenheit.

  • Made of zinc-coated galvanized steel
  • Designed for 8 in. ducts
  • 30 gauge
  • Seal seams with code-approved mastic, sealant or duct tape (sold separately)
Download Our Manuals



Warranty / Certifications

Air Conditioner Contractors - Air Conditioner Systems

Get Service Calls