Manufactured to join on to rectangular ductwork, Coustek rectangular silencers come in a variety of configurations. All of the silencers have the ability to be stacked into large banks, thus accommodating an infinite amount of duct sizes, eliminating expensive transitions.

Casing: Casing is made of 1.0mm thick (20 gauge) galvanized steel. Various materials such as stainless steel, aluminum are available on request

Splitters: Splitters are made of 0.8mm thick high quality galvanized perforated sheets

Infill Insulation: Acoustic media used shall be short fiber-free inorganic glass fiber with long, resilient fibers, bonded with thermosetting resin

Sealant: High-pressure duct sealant is applied inside the casing along the length of each seam, and for rectangular casings behind each flanged corner that coincides with a seam to make it airtight.

Airway Area & Width: Airway area and width may differ based on technical calculations and final dimensions of attenuator.