The Master Flow 10 in. x 10 in. x 8 in. Universal Register Box can be installed with sheet metal screws. This 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.
- Galvanized steel construction
- Creates a straight (in-line) transition from 8 in. round pipe or insulated flexible duct to a 10 in. x 10 in. air register or grille
- Can be installed 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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