8 in. x 4 in. to 5 in. Universal Register Box


Heating, Venting & Cooling

Register Boxes create a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grill. Available in an assortment of configurations.

  • Galvanized steel construction
  • Always seal seams with building code approved sealant or duct tape
  • Install with sheet metal screws
  • Always insulate ductwork for greater system efficiency and comfort
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