FLEXIBLE SOUND ATTENUATOR FOR CIRCULAR DUCTS, 25 MM THICK INSULATION
CONSTRUCTION:
External aluminium sheet with mineral wool sound insulation and internal perforated aluminium sheet. Non flammable according to DIN 4102 class A1, resistant to 200 °C, radius of curvature equal to 3 times the diameter.
INSTALLATION:
Coupling connection.
LENGTH (mm) = ***
ATTENUATION (HZ):*****
Brofer Srl - All rights reserved - P.I. 01459590285
Cap. soc. i.v. € 100.000 Reg. imp. PD R.E.A. n° PD - 161099