A circular sound attenuator with circular connection spigots. Unique properties regarding fire-resistance class, fibre-migration proof design and sound attenuation. Patent-pending self-supporting fibre-migration proof surface lining and end wall solution.
Fibre-migration proof with FarTex®
100 mm shorter
Air tightness class D
Excellent noise attenuation
Included in the MagiCAD database
Fire-resistance class EI30 to EI120*
*See the table for requisite safety distance