Silencers
Silencers installed with the valves are an effective solution for apartments where noise, such as traffic noise, is perceived as disrupting living comfort. The materials used are safe for indoor air quality.
Silencer for wooden ventilation window
Sound trap installed in the wooden ventilation window effectively reduces the noise carried from outside. The sound trap, which is attached to the outer surface of the ventilation window with screws, is easy to install also as a retrofit.
