Products > Acoustic > Rectangular sound attenuator MOD type

Rectangular sound attenuator MOD type


The sound attenuators are used to absorb the transmitted noise in air conditioning or ventilation ducts.


  • Steel casing with flanges;
  • Acoustic baffles with casing in galvanised steel thickness 0,8 mm;
  • Acoustic material in glass wool 30Kg /m³ with protection against erosion by glass fibre, fire resistance M0 and non-combustible material used in A,B and C class in accordance to directive 96/98/EC on Marine Equipment (Rina).


  • Baffles in protected glass wool;
  • Baffles thickness 50, 100, 150, 200, 300, 400 mm with aerodynamic profile;
  • Extended metal sheet net protection for acoustic material;
  • Plastic and extended wire mesh protection for acoustic material, especially for hospital, pharmaceutical or microelectronic industries;
  • Other glass fibre protection available;
  • Casing in painted carbon steel, galvanized steel and stainless steel on request.