Internal Grilles

Our grilles and Shadowline Diffuser have won awards for their discreet designs that blend seamlessly with interior architecture. At the same time, they improve airflow while reducing turbulence, noise and system pressure.

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      Inspiration and advice from the experts

      Projects

      Alexander House by
      Alexander & Co

      Advice

      Getting started on home ventilation

      News

      Expella Wins Gold at Good Design Awards