• 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 Duct Mounted Filter Box - G4 Grade Panel - 355mm1 x Ducting T Piece Equal - 150mm1 x Helios GigaBox 560mm GBD 560/4/4 T120 centrifugal1 x Helios HQW-400/6 - IP551 x HCFT/4-400/H-BPN E20,P 0.25KW1 x Elta Standard Ambient Flexible Connector - 450mm1 x Kitchen Grille with Grease Filter - 300x300 - NO GRILLE BOX1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x Spiral end cap - 150mm1 x MFL-200 G4 Filter Box1 x Spiral Ducting 1 meter - 250mm1 x G2 duct Mounted Panel Filter - 435 x 435 x 47mm2 x HCFT/4-400mm plastic impeller plate fan1 x Soler & Palau - HCBT/4-400/H - IP651 x HRB/4-400-BPN1 x Flexible PVC Ducting - 204x601 x BF VVX-200 - Villavent Filter1 x Flexible PVC Ducting - 220x902 x HCFB/4-400mm plastic impeller plate fan1 x F7 Replacement Bag Filter for FT Filter Box Type 100-250mm ONLY2 x HRB/4-400-APN1 x FSD-TD 180mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Soler & Palau - HXBR/6-400/H - IP541 x Envirovent G4 Filter - SL-G4/F71 x F7 & M5 Filter kit for CADB - LO1110000006281 x Hydor HPA400/4-1A1 x Helios HQW-400/4 - IP551 x HCFT/4-450mm plastic impeller plate fan1 x Duct Fast Clamps - 150mm1 x Etaline 150mm - EL 150L E2 011 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm1 x EuroSeries (ESP) - Plate Mounted Axial Fans 400-141 x HRT/4-400-BPN1 x G2 duct Mounted Panel Filter - 535 x 535 x 47mm1 x Filter Box With F7 Grade Bag Filter - 150mm1 x FSD-TD 630mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x 125mm - 150mm Round Reducer1 x AM pallet Delivery Surcharge1 x Duct Termination with Mesh - 500mm1 x Ducting 90 Degree Bend - 200mm1 x Elta SCP400/4-3AC - IP551 x Spiral Ducting 3 Meters - 400mm1 x TecFire Intumescent Damper - Rectangular-100x100mm1 x FSD-TD 400mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Elta SPA400/46-3AC - IP541 x Elta Wall Cowl SWC35/40
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...