Adjustable Blade Swirl Diffusers

Adjustable Blade Swirl Diffusers


Series FSWA swirl diffusers are designed supply air applications having fully adjustable air pattern blades whilst maintaining the air distribution benefits of a swirl diffuser. The adjustable blades offer the flexibility required to overcome problems with the supply of warm and cool air into a modern office application.

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Manufactured from pressed steel with black plastic adjustable airflow vanes.


PPC RAL9010 – 20% gloss White (Standard)

Size Range

All models are 595mm x 595mm overall for lay-in ceiling tile replacement. 3 models 12, 24 or 36 adjustable slot are available to suit performance requirements. Preferred sizes for the FSWA series are available for next working day. Please enquire for details.


L – Lay-in tile replacer*

Lay-in tile replacer

CS – Central diffuser screw (fixed through the diffuser face into a secondary bracket)
Central Diffuser Screw

*595mm x 595mm overall across flange (flange for surface mounting).
Diagrams for reference purposes only.


Please specify the accessories on your order.

  • Plenum boxes
  • Balancing damper (Plenum Spigot Mounted)