Swirl Diffuser – Adjustable Slot (SDAS)

Swirl Diffuser – Adjustable Slot (SDAS)




The SDAS is a high induction adjustable slot swirl diffuser, designed for the supply of cooled or warm air for a wide range of applications.

Air pattern controllers can be adjusted to create different discharge patterns.

The swirl diffuser can be used for both supply and exhaust applications.

Available in 12, 24, 36 and 48 Slots in various panel sizes.


The diffuser is made of sheet steel with a radial array of black PVC deflector vanes.

All diffuser sizes are available within a 595mm square panel to fit directly into T-bar suspended ceiling systems. Various other panel sizes are also available.

The SDAS is available with matching header box with or without a balancing damper.

Standard finish is white satin (other finishes available upon request).

NOTE: SDAS swirl diffusers can also be provided with Seismic restraint system in a T-bar ceiling.