Sound attenuator with recessed connection for rectangular ducts
  • Very compact rectangular attenuator
  • Excellent aerodynamic characteristics
  • Vet low pressure drop via baffle staging
  • Environmentally friendly acoustic material, approved by independent test institute: ISOVER Cleantec® PLUS
  • Washable surface layer ISOVER Cleantec® PLUS
  • Available with inspection hatch
  • Fire protected version with 50 mm mineral wool also available
  • Connection dimensions from 400x300 mm to 2200x2200 mm
  • Can be supplied in kit form
  • Standard of galvanized sheet steel to Corrosivity class C3
  • Included in the MagiCAD database

CALMO is, due to its unique design with connection facing the side baffles, is suitable for use both in ducts and in direct connection to the air handling unit.

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