Attenuators (Silencers) – 250mm 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.
FR 355 - Helios - Flange
150mm - Domus EasiPipe Rigid Duct - Horizontal T Piece - Part No. 692
Raptor SDA250/4-1AC - Elta - Case Mounted Axial Flow Fan
Quick-Fit Flanged Adapter (QF to FLN) - Galvanised - Nordfab
IP-FDP 125 - Weather plate - Helios
RVS 400 - Helios - Back Draught Shutter
068-0315-2DENP - 315mm - Flanged Silencer - Elta
KWL YOGA STYLE 1000 EV/EN - Decentralised Compact Ventilation Unit With Heat Recovery - Helios
IP-S 125 - Casing clamp - Helios
RDS 1 - Helios - Transformer Controller With Motor Protection
FM 450 EX - Helios - Flexible Sleeve
GBD 710/4 - 3PH GigaBox Centrifugal Fan - Helios
150 x 150 - Multi Spigot Plastic Grille Box - 100/150 Spigots
LFBR 125 G4 - Helios - In-line Air Filter Box
FSD 160 - Helios - Flexible Circular Attenuator
064-SSQU-WH-B Horizontal Weather Hood - Elta
060A-0450-C Powder Coated Mounting Feet - Elta
RSK 250 - Helios - Back Draught Shutter 

