Fully flexible, lightweight Alumunium flexible duct suitable for low/medium pressure air conditioning & ventilation system, easy to install over either oval or round connectors. At high temperature or in the case of fire, no toxic or gas emission. The tough standard one layer Alumunium laminated construction, encapsulated a high tensile steel wire helix.
Thermal insulated duct, using standard AF-1 type product as inner core, fiberglass insulation & fiberglass grid reinforced Alumunium foil. At high temperature or in case of fire, this duct will not generate any toxic fumes or gases. No PVC nor neoprene are used.