Specs:
mission style cold air returns have opening slots with dimensions similar to our mission style registers....that is to say about 1/4 inch wide. So you can figure that the open area for airflow is about 50% or so.
Cold air Returns
mission style cold air returns have opening slots with dimensions similar to our mission style registers....that is to say about 1/4 inch wide. So you can figure that the open area for airflow is about 50% or so.