https://officinevolta.it/en/products/acoustics/rectangular-silencers-with-sound-absorbing-baffles-sil-10-10/
Rectangular silencers with sound-absorbing baffles SIL. 10/10 - Officine Volta
CONSTRUCTION CHARACTERISTICS Rectangular silencer with sound-absorbing baffles and SOLID side half-baffles for containing regenerated noise. Sound-absorbing...
rectangular silencerswith soundbafflesofficinevolta