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10 in. x 4 in. to 5 in. Universal Register Box
$6.98

RB10X4X5

Heating, Venting & Cooling

The Master Flow 10 in. x 4 in. x 5 in. Universal Register Box is made of galvanized steel. It creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grille. The universal register box can be installed with sheet metal screws. It is suitable for most HVAC applications.

  • Galvanized steel
  • Creates a straight (in-line) transition from 5 in. round pipe or insulated flexible duct to a 10 in. x 4 in. air register or grille
  • Install with sheet metal screws (not included)
  • Always seal seams with building code-approved sealant or duct tape (not included)
  • Always insulate ductwork for greater system efficiency and comfort (insulation not included)
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