CHARACTERISTICS:
Circular sound attenuators.

Material: Casing in galvanized steel.
Insulation in mineral wool 70 kg/mc.
Insulation thickness:
50 mm (Ø < 300 mm)
100 mm (Ø ≥ 300 mm)
Fixing: Coupling (E) - Flange (F)
Variant: Without ogive (N) - With ogive (V).

technical sheet