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Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5
Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5
Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5
Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5
Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5
Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5
Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5
Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5

Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5 49435498

USD $5.73

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Master Flow 8 in. x 4 in. to 5 in. Universal Register Box RB8X4X5
5.73
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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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