The SSPERF-Core Perforated Return Air Grille is made to fit standard T-bar ceilings or custom made-to-order sizes.
Constructed from 22-gauge Type 304 stainless steel with 51% free area – 3/16″ diameter holes on ¼” staggered centers. This grille easily converts a T-bar ceiling panel into a return air grille.
Specify for supply air with 4 individually adjustable deflection plates attached.
SSPERF-Core — Perforated Return Air Grille was last modified: September 19th, 2025 by