CHARACTERISTICS:
Rectangular sound attenuator.
Material:
Casing in galvanized steel.
Splitter in mineral wool 60 kg/mc.
Flange 30 mm if bigger size is less than 1000 mm.
Flange 30 mm if bigger size is between 1.001 and 2.000 mm.
Flange 40 mm if bigger size is bigger than 2.001 mm.
Splitters: 100 mm.
Airflows: 50 mm.