GAF Master Flow 4 in. D Galvanized Steel Register Box
$58.33
$113.74
The Master Flow 10 in. x 4 in. to 4 in. 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.Provides durability and sturdiness,Connect to round pipe or insulated flex duct,Always seal seams with building code-approved sealant or duct tape (not included),Easy to install
