High-Quality Flexible Aluminium Pipe for air distribution. Aluminium is non-combustible semi rigid Air Duct ideally suited for a wide range of HVAC applications. High-Quality Flexible Aluminium Pipe for air distribution. Aluminium is non-combustible semi rigid Air Duct ideally suited for a wide range of HVAC applications. Flexible Air Ducts offered provide extensive usage support in both residential and commercial applications involving air handling needs. Providing for economical solutions. This pipe is 80cm long and will stretch up to 2.5m (L). Any suitable end fittings can be cut in to desired lengths instantly and installed. Smooth inside surface helps in reducing the frictional resistance resulting in smooth & quick conveyance of material, thereby increasing the flow volume saving electric energy of equipment., Manufacturer: Armar Trading Ltd