The SSPERF-R Perforated Return Air Grille can be used for a variety of return air applications from ceilings to sidewalls.
Specify: Series S-44 Opposed Blade Damper to make return register. The S-44 OBD assures even distribution of air across the grille face, as well as positive volume control.
Specify: without screwholes for lay-in installation.
Order Size: 22″ x 22″ for 24″ x 24″ lay-in, 46″ x 22″ for 48″ x 24″ lay-in.