Nordfab square to square transitions do not provide the same quality of airflow as rectangular to round and are designed for applications with height restrictions.
Square to round duct transition solidworks.
20 x 20 x 18 square to round transition item.
Nordfab rectangular to round transitions are ideal for transitioning round to rectangular ductwork or for use as a hood.
Available in a wide range of custom dimensions.
Built to order square to round ceiling box transitions.
Hvacquick custom square to round duct transitions.
Round connections for 4 5 6 8 10 12 or 14 inch diameter duct.