• Flexible air ducts suitable for applications that require sound absorption by DEC, with aluminum core, which has on the surface of the micro-hole, insulation of high-density fiberglass layer of 16kg / m3 , thickness of 25mm and outer casing made of reinforced air with poly-reinforced air.
• Between the core and the fiberglass layer there is a thin polyester separating layer to prevent the penetration of fiberglass fibers into the air flow.
• Maximum air speed of 20m / sec. In accordance with European specifications EN 13501-1.
• They can withstand high temperatures (up to + 140 ° C).
• Sonodec 250, Sonodec AA3, 25 and (+ 250 ° C) ducts are also available upon request.

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