Use to connect round pipe or insulated flexible duct to an air register or grill pipe duct air register and grill not included.
Insulated register box installation.
Fiberglass insulation helps reduce hvac system noise and absorb condensation for a quiet and efficient system.
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This register box is made of zinc coated 30 gauge galvanized steel.
The box is ideal for helping you connect round pipe or insulated flexible duct to an air register or grill pipe duct air register and grill not included.
It is pre wrapped and ready to install for easy installation.
This register box can be installed with sheet metal screws.