
Description
The 4" Imperial top take-off is installed on a main central furnace trunk duct and is to be connected to a secondary round branch. The take-off is used when the connections must be placed between the joists .to bring ventilation in each room of the building.
Product specifications
Diameter
4"
Component
Steel
Finish
Galvanized
Type
Rectangular to Round
Utilization
Transition Between a Rectangular and a Round Duct
Gauge
30