Product availability is subject to change without notice. Not all products are available from all facilities.
The Master Flow Duct Board Plenum attaches to the furnace supply or return. It provides a box to create duct runs. The insulation board reduces ventilation system noise and condensation for improved system performance.
A Return Air Box provides a connection between a ceiling grill and the duct system. These products either come with an existing collar or allow you to cut your own opening and install a collar to attach pipe or flexible duct as needed.
Master Flow Galvanized Panning is used to seal the underside of the floor joist space to create a return duct. It is constructed using 30-gauge galvanized steel and can be cut to size to suit a variety of applications.