BUILDMART - 6FT Continuous Plenum Box for [6FT Continuous Linear Slot Diffuser - 3 Slot - 3/4" Slot Width] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart

Continuous Galvanized Sheet Metal Plenum Box with Foam Insulation, Ideal for Texas Buildmart 6 ft Linear Slot Diffuser. The left and right end-sides are open, allowing multiple plenum boxes to be connected together to achieve the required length. This air-distribution box attaches directly to the HVAC supply that heats or cools the air. Connects to a 10" flexible duct in oval shape and can be installed within 4" or 6" wood studs. If you do not have this flex size, a reducer may be used to modify the connection. Professional HVAC installer recommended. Ideal for Texas Buildmart 6 ft Linear Slot Diffuser – 3 Slot (Continuous Application) Galvanized sheet metal plenum box with foam insulation Total Box Dimensions: L: 72 3/8" W: 6" H: 12 1/2" Mouth Dimensions: L: 72 3/8" W: 4 3/4" Entry size: 2 entries of 10" flex in oval shape This air-distribution box attaches directly to the HVAC supply that heats or cools the air If you do not have this size flex, you can use a reducer to modify the size