The VQA-HR is half round displacement device intended for wall mounting from the floor.


The innovative low velocity diffuser has round equalising nozzles for individual flow adjustment. The perforated front (normally long-hole perforation) is invisibly attached to a plenum unit with either a round or rectangular spigot. It can easily be removed for adjusting or cleaning purposes, with no visible screws or other fastening systems.

  • Connection Ø125 up to Ø630mm
  • Distribution angle: 180°
  • Manufactured in any colour from the RAL K5 range
  • Ideal for labs, classrooms, restaurants, meeting rooms, fitness centres, industrial applications and more
  • Special face patterns/perforations available on request
  • Certified according to the VDI 6022 and the SWKI VA 04-0 guidelines

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