Galvanized sheet metal Plenum Box with black foam insulation, ideal for Texas Buildmart lineal slot diffuser. This air-distribution box attaches directly to the supply of the HVAC equipment that heats or cools the air. 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 Lineal Slot Diffuser – 3 Slot