• Flexible aluminum air ducts by DEC in 5 layers, encapsulating high-strength steel helical wire, with a 36mm coil opening for the ALUDEC AA3 and a total layer thickness of 45m.
• Maximum operating pressure (+ 2,500 Pa).
• Maximum air speed of 30m / sec.
• Range of diameters from 102m to 508m.
• They withstand fire, without releasing toxic gases.
• In accordance with European standards DIN 4102 Germany, BS 476 Great Britain SP, 106 Sweden etc.
• They are easily connected in circular or oval connections.
• They are suitable for air conditioning and ventilation.

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