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FLEXIBLE ALUMINIUM AIR DUCT
Dwin air duct is a fully flexible compressible extendable aluminum air duct. It is made of 2 ply double facing aluminum polyester foil bonded together with qualified adhesive and reinforced with high carbon corrosion-proof spring wire. Dwin air duct is nonflammable which is ideal for heating and cooling system, AC and ventilation system, exhausting system, residential and industrial applications.
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