SDS4 Series

Product Information


1/2" (13) Slot Spacing SDS450
3/4" (19) Slot Spacing SDS475
1" (25) Slot Spacing SDS4100
Supply with Insulated Plenum
1/2" (13) Slot Spacing SDSI450
3/4" (19) Slot Spacing SDSI475
1" (25) Slot Spacing SDSI4100
1/2" (13) Slot Spacing SDR450
3/4" (19) Slot Spacing SDR475
1" (25) Slot Spacing SDR4100

PRICE SDS4 Series 4 way linear slot diffusers provide exceptional performance, superior design and crisp appearance for integration with ceiling tile. Designed for use in high performance VAV systems, the SDS4 provides full 180° air pattern adjustment and tight horizontal air patterns. Each slot is individually adjustable using a precisely curved, aerodynamically shaped pattern controller. This unique design combines a ceiling tile (by others) that is field cut and placed into the face of the diffuser.

Extruded aluminum construction of the frame and slot spacers ensures the dimensional precision of the diffuser.
  • Solid extruded aluminum construction.
  • Modern architectural design; true flexibility of application.
  • 180° air pattern adjustment and complete flow rate control with stable horizontal air pattern.
  • Plenums standard on SDS4 and SDSI4.
  • As an option, SDS4 is available without plenum.
  • 3 and 4 slot models not available for 20" x 20" ceiling module.
  • Available in 1 through 4 slots (one piece) and 3 slot widths for low, medium and high capacity requirements.
  • Matching return SDR4 supplied without pattern controllers and complete with sight baffle instead of plenum.

White Powder Coat


For optional and special finishes see color matrix.

Available Sizes
Ceiling Module: 20" (508), 24" (610), 30" (762).
Inlets: 4", 5", 6", 7", 8", 10", 12", 14"

Product Selection Checklist

  1. Select Unit Size based on ceiling module.
  2. Select Outlet type by model number (Slot width).
  3. Select desired Number of Slots.
  4. Select Border style based on installation requirements (Standard or Optional).
  5. Specify inlet diameter.
  6. Select accessory Equalizing Core if desired.
  7. Select Finish.

Example: 24" x 24" / SDS4100 / 3 / 14 / 6" / B12
Application Recommendations:

T-Bar Lay-In – 14 Border.

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