Ø125mm x 650mm Rigid Duct Attenuator manufactured from galvanised steel and includes airtight seals. The attenuator is designed to be installed in duct runs to reduce the transfer of noise in ventilation systems. UK Building Regulations Part F Vol.1: Dwellings recommends that measures be taken to reduce noise disturbance in ventilation systems, including the installation of sound attenuating products where appropriate. Noisy fans can result in the occupant turning off the ventilation system and compromising the air quality.
KEY FEATURES:
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Outer duct and perforated inner duct are made from durable galvanised steel
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Mineral rock wool acts as an efficient sound absorbing material
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Protective cloth preventing the release of mineral fibres into the air flow
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Lip seal connectors to maintain airtightness
SPECIFICATION:
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Duct Connection: Ø125 mm
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Length: 600 mm
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Outer Diameter: Ø255 mm
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dB-/-250: 21 Hz
