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.
068-0400-2DENP - 400mm - Flanged Silencer - Elta
RSD 250/300 - Helios - Flanged Circular Attenuator
136159 - SL 9040 E2J 20 10 - Supply air handling unit with controls - Ruck
RAG 200 - Helios - Rain Repellent Grille
VDW EC 315- Vertical roof fan - 1 ph - Helios
062-001 AV Mounts - Elta
Quick release locks to suit Stainless Steel Clampband
Weather Louvre 350x350 - Mill Finish
149-POT-10-MI - EC Electronic Controller - Elta
MV 160 - Helios - MixFlowVent Centrifugal Fan
VEKA INT 3000/15.0 - L1 EKO - Air handling unit - Helios
068-0500-JF2 - 500dia - 600mm Long - Spigot Silencer - Elta
Fast Clamp - Fan Connectors - 200mm Diameter
IP-BP 160/180/25 - Weathering plate - Helios
12456 VORTICE 230/9" ARI-LL-S - Wall Fan
RSK 160 - Helios - Back Draught Shutter 
