PDSP Series

Product Information

View Performance Data PDSP

Star Pattern  
Flush Face  
Steel Construction
w/ Aluminum Face
Drop (Extended) Face  
Steel Construction
w/ Aluminum Face

The PRICE PDSP Series perforated face ceiling diffuser features a ceiling-hugging horizontal air pattern that is field adjustable between a standard 4 way side throw to a star pattern 4 way diagonal throw. Curved blade deflectors mounted at the diffuser neck maintain a consistent horizontal pattern, even at low flow rates, making the PDSP Series an ideal choice for VAV applications. Quick-release latches on the hinged perforated face screen allow easy access for field adjustment of the blades. The drop (extended) face Model PDSPE is available to complement tegular tile ceilings.

For Fire-Rated applications see Series PDSP-FR.


  • Choice of cold rolled steel (PDSP / PDSPE) or aluminum face screen (APDSP / APDSPE) construction. Steel backpan and pattern controllers in both cases.
  • 4 way pattern available with either factory set side throw or diagonal throw. Side or diagonal throw can be easily changed in the field.
  • Hinged, removable perforated face screen with quick-release spring latches.
  • Pattern can be field adjusted from horizontal to vertical by turning the blades.
  • 3 way horizontal pattern is achieved by redirecting one segment of blades in the opposite direction.
  • Choice of five frame styles (PDSPE and APDSPE are available in Frame Style 3 only).
  • Complete range of available accessory dampers, equalizing grids etc.
  • Optional beaded extended neck (2-1/2 in. tall) for easy flex duct connection (BN).

Model PDSP

    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 Air Pattern Option (4, 4D).
  6. Select Volume Control accessories, if desired.
  7. Select Finish.

Example: 8" / 24" x 24" / PDSP / 3 / 4 / B12


White Powder Coat


For optional and special finishes see color matrix.

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