Compact sound attenuator with centre baffle for circular ducts
  • Equipped with an acoustic centre baffle
  • Extremely low installation height
  • Very good sound attenuation
  • Fibre-migration proof
  • Dim up to 400 air tightness class D
  • Dim 500 to 800 air tightness class C
  • Low pressure drop
  • Mineral wool
  • Galvanised sheet steel to Environmental Class C3
  • Fire-resistance class EI30 to EI120*
    * See the table for requisite safety distance
CLA-B - Standard range
DimensionLength Working rangeAttenuation

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