This Master Flow 8 in. x 4 in. x 5 in. End Register Box with Flange is ideal for when the opening in your floor is parallel to the floor joists and header. It allows you need to create a right-angle， center-end transition between your system run and an air register.
Galvanized steel construction
Create a right-angle， center-end transition from the system run to an air register
Installs with sheet-metal screws
Insulate ductwork for system efficiency and comfort
Seal seams with code-approved mastic， sealant or duct tape (not included)
Comment