Master Flow 10 in. x 6 in. to 6 in. Universal Register Box

This Master Flow 10 in. x 6 in. to 6 in. Diameter Universal Register Box creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grille. It can be installed with sheet metal screws. It is suitable for most HVAC applications. This universal register box is made of galvanized steel.