Expella has developed a unique low profile ceiling diffuser to improve function and aesthetics in the bathroom. It incorporates ‘quick fit’ clips and an integrated non-return volume control damper to simplify installation and ultimately reduce installation costs.

Square slim-line diffuser 


  • Low profile
  • Australian designed
  • Quiet operation
  • Easy to install to reduce installation costs
  • Integrated non-return and volume control damper
  • Removable filter to increase life of exhaust fan
  • Optional G4 air filter for supply air function to remove pollutants from outside air
  • Easy to clean and maintain
  • Eliminates need for access panel