Material: Inner layer: Aluminum foil flexible duct

               Middle layer: 25mm↑fiber glass wool; 12,16,18,20,24 kg/m³

               Outter layer: Enhanced aluminal foil

Thickness: 25mm↑

Temp. range: -30^oC~120^oC

Length: 10m,7.6m or as per customer's request.

Max. operation pressure: 250mm WG

Aluminum foil or Al/PET enhanced with spiral steel wire, covered with 25mm thick 12~24kg/m³ fiber glass wool then coated with enhanced aluminum foil.

Extraordinary flexible to fit on round or oval connections.