BUILDMART - 60 Inch Plenum Box for [60 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart

Galvanized sheet metal Plenum Box with foam insulation, ideal for Texas Buildmart 60" lineal slot diffuser. This air-distribution box attaches directly to the supply of the HVAC equipment that heats or cools the air. Connects to: 8" flexible duct in oval shape. Can be used and brazed to a 4" or 6" wood stud. If you do not have this size flex, you can use a reducer to modify the size. Professional HVAC Installer is Recommended. Ideal for Texas Buildmart 60" Lineal Slot Diffuser - 2 Slot Galvanized sheet metal Plenum Box with foam insulation Total Box Dimensions: L: 60 1/2" W: 4 9/16" H: 11 7/8" Mouth Dimensions: L: 59 3/8" W: 3 5/16" Entry size: 2 entries of 8" flex in oval shape This air-distribution box attaches directly to the supply of the HVAC equipment that heats or cools the air If you do not have this size flex, you can use a reducer to modify the size We recommend using a "Y" shaped splitter to supply your plenum box with an even amount of airflow through your diffuser