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Air Distribution / Sidewall Diffusers

Crosstalk attenuation air transfer element OG

For use in administrative and office buildings, for installation in plasterboard walls.


  • With built-in silencer for reducing noise transmission from one room to the other (crosstalk attenuator)
  • High level of sound absorption at low pressure drop
  • High-quality design
  • The acoustic lining is of fire resistance class B1 to DIN 4102-1
  • Easy to install


Volume flow rate range:

S-shape: approx. 53 l/(s•m) [190 m³/(h•m)]

T-shape: approx. 47 l/(s•m) [170 m³/(h•m)]

at a pressure drop of 15 Pa

Nominal length:

500 and 1 000


400 mm

Wall thickness:

S-shape: 100 mm

T-shape: 125 mm

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