PDF Series

Product Information

View Performance Data PDF

Deflectors on Face
Flush Face
    Steel Construction PDF
    w/ Aluminum Face APDF
Drop (Extended) Face
    Steel Construction PDFE
    w/ Aluminum Face APDFE

PRICE PDF / PDFE Series perforated face ceiling diffusers provide a superior horizontal air pattern with a strong Coanda effect against the ceiling. Adjustable pattern controllers in diffuser face are easily field adjusted to suit the desired air pattern. The drop (extended) face Model PDFE is available to complement tegular tile ceilings.

For Fire-Rated applications see Series PDF-FR.


  • Choice of cold rolled steel (PDF / PDFE) or aluminum face screen
    (APDF / APDFE) construction. Steel backpan and pattern controllers in both cases.
  • Hinged, removable perforated faceplate with quick-release spring latches.
  • Louvered air pattern controllers are located on the diffuser face and are field adjustable to the desired air pattern.
  • Choice of five frame styles (Frames 1, 2, 3, 4, 17).
  • Complete range of available accessory dampers, equalizing grids etc.
  • Optional beaded extended neck (2-1/2 in. tall) for easy flex duct connection (BN).


White Powder Coat



For optional and special finishes
see color matrix.


Model PDF (steel) / APDF (aluminum face)
Flush Face
Model PDFE (steel) / APDFE (aluminum face)
Drop (extended) Face



    Product Selection Checklist

  1. Select Inlet Diameter or Neck Size L x W based on desired performance characteristics.
  2. Select Face Size based on ceiling module.
  3. Select Outlet type by model number (Material, Flush or Drop Face).
  4. Select Border style according to installation requirements.
  5. Select Volume Control accessories, if desired.
  6. Select Finish.

  Example: 8" / 24" x 24" / PDF / 3 / B12

Available Module Sizes
12" x 12"
300 x 300
24" x 12"
600 x 300
16" x 16"
400 x 400
20" x 20"
500 x 500
24" x 24"
600 x 600
48" x 24"
1200 x 600
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