• 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 GXC9 - High Performance Extract Fan1 x HV-RC 230mm (With Wall Kit)1 x Classic SAX23/9ARB Wall Mounted1 x Classic SAX23/9A Window/Wall Mounted1 x Elta SPA400/46-3AC - IP541 x KV 200 L Sileo1 x HCFB/4-400mm plastic impeller plate fan1 x HCFT/4-400mm plastic impeller plate fan1 x EBM-papst Motorised Impeller - A6D800-AD01-011 x 220x90mm x 1m Low Profile Plastic Ducting - 1 Meter1 x Dektite Combo Pipe Flashing - DC210REC1 x EM 250-E2M 01- Etamaster-2501 x 220x90mm Mounting Clip (Individual)1 x *NEW* TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT450/4-3AC1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - Three Phase1 x CRHT/4-315 N Roof mounted Fan - Horizontal discharge1 x HCFT/4-250mm plastic impeller plate fan1 x CBT-60N Centrifugal1 x Elta LC100N4-A6/381 x AXCBF 315D4-32 Bifurcated Axial Fan1 x Elta SCP250-1EC - IP551 x Elta SLC1000/6A-3AC - IP551 x Blast Gate (Manual) 100mm1 x Helios Condense Collector1 x WX-12 - Wall Fan1 x 150mm Wall Duct - 350mm1 x 150mm Round Equal T Piece1 x EC-Vent control board1 x BDS 500/560 RA b/d shutter1 x SPI-315 C Iris damper1 x Soler & Palau TCBT/4-630/L - IP651 x Elta Variable Speed Drive IP66 - 1.5KW1 x Soler & Palau TCBB/4-630/L - IP651 x SPI-100 C Iris damper1 x Duct Mounted Filter Box - G4 Grade Panel - 250mm1 x Duct Mounted Filter Box - MINICELL F7 Grade Panel Filter 315mm Spigot1 x RSK450 - Back Draught Shutter1 x FRQ5-10A Inverter Speed controller1 x Compact SCD630/4-3AC1 x ELTA - Three Phase Transformer 3amps1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Soler & Palau TCBB/6-630/L - IP651 x Airvent ceiling fan controller1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 6 Pole 200watt VR RE1 x DA 18/18 Feet1 x EC6H - Reversible Group Fan Electronic Controller1 x 125mm Round Wall Plate1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x DA9/7 Feet1 x 125mm Wall Duct - 350mm1 x Acoustic Commercial Kitchen Inline Exhaust Fan - MPS (Three Phase) - 400mm1 x CVAT Acoustic Kitchen Fan & Inverter Kit - CVAT/4-16000/630 ND - Pack 91 x FUM Mounting Foot for ERM 2501 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x 125mm Round 90 Degree Bend1 x AL 400 Mounting Feet (Pair)1 x KV DUO 250 EC1 x Ziehl GR40I-ZID.DC.CR plug fan1 x 7-Day Digital Time Switch - TCK7D-6A1 x KV DUO 400 EC1 x FAST-TRACK RANGE 90mm - Semi-Rigid Duct 50M1 x HRST/6-910/30-BZ1 x Balance S Diffuser - NO RING - 100mm1 x Circular Ceiling Diffuser - TST 1251 x Belt Drive Cased Axial Fan - 900mm - H version1 x Systemair AW Sileo 710-DS1 x KV DUO 315 EC1 x Elta SLC500/2A-3AC - IP551 x SD-MUB Vibration pad set1 x Kitchen Grease Filter - Mesh Type Non standard : 381 x 355 x 47mm1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Gorilla HVLSX40S1 x Hydor Typhoon Circulation Fans - HVFB - 450mm1 x Air Quality Sensor - AQS1 x Gorilla HVLSX601 x Elta Unpodded Silencer Melinex 2D-560mm
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