It is an acoustically and thermally insulated aluminum flexible air duct specifically produced for low and medium pressure ventilation and air conditioning systems.
It is produced from multi-layer aluminium and polyester strengthened with high tension hard steel spring wire, perforated and wrapped by a barrier, surrounded with glass wool insulation and an aluminium vapor barrier.
Its dimensions, tolerances and mechanical resistance are tested, classified & certified according to EN 13180 standard.
SONOAFS-ALU.FB ECOSOFT flexible air ducts are airtight.
It has high elasticity and flexibility. It can be easily fitted to circular, oval or rectangular connectors.
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