Long Description
The 500 Series Louvered Grille makes uses adjustable (supply) or fixed (return) blades to control airflow and provide a supply or return unit with minimal see-through.
Stock Notes
•Same as Model 530 plus a 1" filter frame
•Lay-in ONLY
•Units stocked are hinged
•Price B12 white powder coat finish
•Optional 20x20 MERV 8 Filter available