The Master Flow 10 in. x 4 in. x 5 in. End Register Box can be installed with sheet-metal screws. This end register box is made of 30-Gauge， galvanized steel to offer strength and durability. It is designed for use an HVAC system. It has a maximum temperature rating of 390 degree F and a minimum temperature rating of 100 degree F.
Made of 30-Gauge， galvanized steel for strength and durability
End register box for an HVAC application
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)
Maximum temperature rating of 390 degree F， minimum temperature rating of 100 degree F
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