Silencers
Varies
Silencers are used in HVAC systems in close proximity to elements which produce continuous loud volumes of sound, they have been designed to have excellent sound absorbing properties - this means that the ventilation system will expel a lower volume of decibels. The attenuator has been produced with a male end, this enables it to be slide into a circular duct with little effort, and diameters range from 100mm to 630mm.
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