500mm length flexible sound attenuators, 125mm or 150mm diameter
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150mm Flexible Attenuator
£50.68 22316150mm diameter, 500mm length flexible silencer for the Prometeo Plus HR400, HR350 Avel and HRI 350 Phantom BP heat recovery units
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125mm Flexible Attenuator
£64.08 22366125mm diameter, 500mm length flexible silencer for the HR200 BP, HR350 Neti and HRI 200 Phantom BP heat recovery units