• Model:SLU-300

Circular Inline Silencers - 0.3M long - SLU-300

£ 38.85 (excl. VAT)

£ 46.62 (inc. VAT)

Inline Circular Attenuators in standard diameters from 100mm to 400mm diameter. Attenuators are available in standard 300mm, 600mm, 900mm and 1200mm lengths.
This version is 300mm long
The longer the unit, the more effective it is.

Attenuator construction for this range comprises a pre-galvanised sheet steel spiral wound outer casing, manufactured in accordance with HVCA DW144 specification, with circular spigoted end caps. The inner bore is manufactured from pre-galvanised and perforated spiral wound steel tube, retaining a 50mm thick scrim faced 45 kg/cu.m acoustic media.

This range of circular attenuators offer minimal resistance to airflow and can be used in a variety of noise control applications:-
• Small fan system attenuation
• Cross-talk attenuation
• System noise regeneration attenuation
• System terminal unit attenuation

PDF Files


Silencer Range


Range Spec sheet

Available Options

1 x 125mm - 100mm Round Reducer1 x Helios AV125 External Wall Fan1 x Duct Termination with Mesh - 355mm1 x BDS 200/250 RA b/d shutter1 x VKS 355-500 Automatic shutter1 x JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x 220x90mm Mounting Clip (Individual)1 x 125mm Thermal Duct to Fitting Connector - SST-125-DFCON1 x Helios GigaBox 450mm GBD 450/4/4 centrifugal1 x 125mm Thermal Duct to Duct Connector - SST-125-DDCON1 x 110 x 54mm Short Rectangular to Round Adaptor Female1 x 100mm Round Wall Plate1 x GXC6EC - High Performance Extract Fan1 x Silent 100 Window Kit - windowS1 x IRT/4-450 Inline Rectangular Duct Fan1 x HV STYLVENT Wall Kit Threaded Rods1 x 125mm Round Connector1 x 100mm Round Connector1 x Elta Viper SCC Duct Mounted Centrifugal Fan - SCC630-1AC1 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x Etaline 450mm D4 01 (Three Phase)1 x DV-ROF-V-315 Roof mounted unit1 x HQS Bathroom Axial Flow Fan - 125mm1 x Helios AV150 External Wall Fan1 x Helios AV100 External Wall Fan1 x 125mm Wall Duct - 350mm1 x GX6EC - High Performance Extract Fan1 x 100mm Wall Duct - 350mm1 x Universal Pipe Fixing Clip1 x Multiflow SMB450/4-3AC1 x 100mm - 125mm Round Reducer1 x MFQ450-14 - SQUARE MIXED FLOW FAN - 450mm Single Phase1 x Helios GigaBox 630mm GBD 630/6/6 centrifugal1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x HRB/4-450-30-APN1 x CS2 Current Switch1 x Spigot plate - 900mm1 x Elta LC100N4-A6/381 x TUNE-R-250-2-M2 - Control Damper1 x Soler & Palau - HCBT/4-250/H - IP651 x 110 x 54mm Rectangular Wall Plate1 x 110 x 54mm Low Profile Plastic Ducting - 1 Meter1 x Spiral Ducting 3 Meters - 355mm1 x ERR 20/1 Centrifugal inline fan1 x FlameProof Plate Axial Fan - Three Phase - 10.5 inches - Eexd IIC T4 -2pole1 x Euro Series - Case Axial - ESC500141 x Commercial Activated Carbon Filters - Panel Type - 18" x 18" x 1 - ACP
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