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Air Distribution / Sidewall Diffusers

Wall slot diffuser WSD

For installation in gypsum plasterboard walls.


  • With 1 or 2 rows for supply air, return air or both combined
  • Slot element easy to remove thanks to push-in connection; thus cleanable as per VDI 6022
  • Connection box to be installed inside or behind gypsum plasterboard walls; volume flow damper adjustable from room (optional)
  • High level of thermal comfort: max. cooling capacity up to 120 W/m²
  • High insertion loss with abrasion-resistant acoustic lining of class A2 as per DIN 4102-1 (optional); this obviates the need for cross-talk silencers


Volume flow rate range:

up to 66.5 l/s [240 m³/h] per metre of diffuser length

Nominal length:

525, 1 050 and 1 125 mm

Discharge height:

2.4 – 3.5 m

To find out how you could benefit from our product, talk to an expert today on 0203 912 6222 or fill out the form below