PDN - Neck Controller

Product Information

View Performance Data PDN

Deflectors in Neck
Flush Face

    Steel Construction PDN
    w/ Aluminum Face APDN
Drop (Extended) Face
    Steel Construction PDNE
    w/ Aluminum Face APDNE

PRICE PDN / PDNE Series perforated face ceiling diffusers provide a horizontal air pattern with a strong Coanda effect against the ceiling. Adjustable pattern controllers in the inlet neck (round or square) are easily field adjusted to suit the desired air pattern. The drop (extended) face model PDNE is available to complement tegular tile ­ceilings.

For Fire-Rated applications see Series PDN-FR.


  • Choice of cold rolled steel (PDN / PDNE) or aluminum face screen (APDN / APDNE) construction. (Steel backpan and pattern controllers in both cases.)
  • Hinged, removable perforated face screen with quick-release spring latches.
  • Louvered air pattern controllers are located at the inlet neck 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 PDN (steel) /
APDN (aluminum face)
Flush Face

  Model PDNE (steel) /
APDNE (aluminum face)
rop (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" / PDN / 3 / B12

Application Recommendations:
For Border recommendations.

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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