The Master Flow 12 in. x 2-1/4 in. x 6 in. 90 Register Box can be installed with sheet metal screws. It creates a right-angle transition from round pipe or insulated flexible duct to an air register. This register box is made of galvanized steel. It is suitable for most HVAC applications.
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- Creates a right-angle transition from 6 in. round pipe or insulated flexible duct to a 12 in. x 2-1/4 in. air register
- Can be installed with sheet metal screws (not included)
- Always seal seams with code-approved mastic, sealant or duct tape (not included)
- Always insulate ductwork for greater system efficiency and comfort (insulation not included)

















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