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8 in. x 4 in. to 4 in. Register Box with Flange

8 in. x 4 in. to 4 in. Register Box with Flange

Article Number:
  • $ 1731


Made of zinc-coated galvanized steel . Designed for 4 in. ducts . 30 gauge . Seal seams with code-approved mastic, sealant or duct tape (sold separately)

The Master Flow 8 in. x 4 in. x 4 in. Register Box with Flange is designed for 4 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.

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