APG Perforated Return Grille, Aluminum

Grilles & Registers

With a perforated face that has 3/16" diameter holes on 1/4" staggered centers, the APG Perforated Return Grille is an ideal fit for transfer, return and exhaust systems. It provides easy face maintenance and is also easy to operate.

Optional opposed blade damper (SOBD – steel, AOBD – aluminum) is factory mounted and screwdriver operated from face of grille
Perforated face with up to 51% free area for handling medium size air volumes
Overlap margin is 1-1/4" wide

APG Perforated Return Grille, Aluminum

Product Application

Our APG Perforated Return Grille is a popular choice among architects because of its uncluttered and flush appearance. It is designed to fit most ceiling applications and work efficiently in conjunction with transfer, return and exhaust systems. The perforated face provides a greater free area facilitating optimal air distribution. An added advantage of this grille is that it does not disrupt the performance of an MRI machine and can easily be installed in MRI rooms.

Features

Available sizes: 6”x4” to 48”x48”
Perforated face has 3/16” holes on 1/4” staggered centers
Optional opposed blade damper (SOBD – steel, AOBD – aluminum) is factory mounted and screwdriver operated from face of grille

Overlap margin is 1-1/4” wide
Finish shall be White (WH) electrocoat. The finish shall be an anodic acrylic paint, baked at 315°F for 30 minutes with a pencil hardness of HB to H
Optional mounting frame (45) available for use in plaster applications to facilitate grille removal