HVAC Ventilation Air Duct Diffuser Uni Boot Ceiling Return Air Plenum Box
The transition box, also called return air box, is made of 0.6mm galvanized steel plate. The spigot is connected to the air duct, and the opening of the box body is connected to the air grille. 5mm black insulation can be attached inside the box. Due to the large volume of finished products, semi-finished products can be provided according to customer needs, which will reduce transportation costs. Customized sizes are acceptable.
* Made of 0.6mm galvanized steel
* Connected the duct and the grille
* 5mm black insulation inside
* Provided finished / semi-finished products
* Accepted customized sizes