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Wall air diffusers with discs for supply air and flush mounting

Rectangular supply air diffusers with adjustable discs. The disc technique enables the supply of air above or below room temperature as well as in a horizontal and/or vertical distribution pattern. The air diffusers are well-suited for constant as well as variable air flow.

  • Rotatable discs
  • 100% flexible spread pattern
  • Cleanable
  • Adjustable slot for enhanced capacity
  • Simple commissioning
  • Used together with ALV commissioning box
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request

See how the product performs based on your requirements


Technical specifications


Size Size 25 dB(A) 30 dB(A) 35 dB(A)
300-150 300-150-100-B 15 20 33
400-150 400-150-125-B 24 29 42
400-200 400-200-160-B 37 46 60
550-250 550-250-200-B 52 70 85
550-300 550-300-250-B 90 105 120

The data specified in the table is applicable to 50 Pa total pressure when the slot is closed.

*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area.

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You can find more documents on our document search page. Looking for older versions, you can find them in the document archive

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