Attenuators (Silencers) – 200mm Diameter
Excellent sound absorbing properties.
Inline Circular Attenuators in standard diameters from 100mm to 400mm diameter.
Attenuators are available in standard 300mm, 600mm, 900mm and 1200mm lengths.
Please use the drop down menu to select the length of the attenuator required.
Weather Louvre 500x500 - Mill Finish
SVE 250 - Helios - Insert Element To Control Airflow Volume And Reduce Sound
144620 - DVNI 355 D4 F4 30 - Roof fan insulated flue gas discharge - Ruck
VK 125 - Helios - Gravity Shutter
Roof Cravat - 315mm Diameter 
