| Pack quantity | 5 |
| Product width | 440mm |
| Brand | Blauberg |
| Colour group | Silver |
The galvanized steel casing is filled with non-flammable sound-absorbing material and is protected against fiber blowing. It provides an airtight connection to air ducts thanks to connecting flanges with rubber seals. it offers great flexibility for various installation needs.
315mm Noise Reducing Circular Ventilation Duct Attenuator Silencer Long 900mm
£163
From DIY at B&Q
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