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.
FEATURES AND BENEFITS
- Series 8F filter grilles feature a perforated face with 51% free area
- 8F 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)