Rectangular device with good sound attenuation
Easy installation
Good sound attenuation
Fixing plate included
Can be used in most environments.
Four sizes (width 300, 500, 700 and 850 mm).
Includes two cover plates and two mounting frames.
Made from hot galvanised sheet steel.
Visible parts are painted in white RAL 9003, other colours on special order.
Sound attenuation material is polyester fibre.
Transfer air device BYSE is used for air transfer between rooms when sound attenuation in the air flow opening is needed. BYSE is usually installed into the wall or above a door. The device provides good sound attenuation and is easy to install.