Steel perforated return grille
Perforated return grilles have a standard 51 percent free area on the face and can be used as a matching return in conjunction with perforated supply diffusers. Additional options include a filter frame and steel, aluminum or stainless steel construction.
  • Series 8R filter grilles feature a perforated face with 51% free area
  • 8R models are available in common filter sizes
  • 1” thick filters may be purchased from hardware stores for the most common sizes
  • Quarter turn fasteners are standard to make filter access easy
  • Knurled knob fastener available as option
  • All dimensions are ± 1/16”
  • Filters by others
  • Dimensions are the same for border type 1 (surface mount) and border type 3 (lay-in T-bar)