Expella’s exclusive range of grilles and diffusers are highly effective at channelling air through ventilation systems. Our grilles and diffusers are designed to be streamlined, minimal, elegant and unobtrusive. Popular amongst architects, interior designers and builders alike; we offer a variety of functional yet discreet grilles that will not compromise the integrity or aesthetic qualities of an interior space.


Filter Grilles Selection

  • Linear Bar Ceiling Ventilation Grille


  • Linear Slot Internal Ventilation Grille (780mm)


  • Plastic Half Chevron Grilles


  • Plastic Round Ceiling Ventilation Diffuser


  • Roof Cowl Vent


  • Round External Grille


  • Shadowline Internal Ceiling Diffuser


  • Slimline Bathroom Ceiling Diffuser


  • Weatherproof Ventilation Louvre


  • Weatherproof Ventilation Louvre with Box


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