Crayflex Polyester and Aluminum Strong Lightwight Flexible Air Conditioning and Ventilation Systems BS 13APM (4in, 25ft)

Made of a triple lamination of aluminum foil, polyester and metalized polyester film permanently bonded to a coated spring steel wire helix. The strong outer insulation jacket/vapor barrier is made of metalized polyester film laminate.

 Flexible duct has 12” diameter and measurement of 76 x 36 x 36 in cm approx.

 Ideal for all Air Conditioning / Ventilating System including Hospitals, Hotels, Commercial and Office Buildings, and many other Industrial and Residential applications.

It has major benefits like tear puncture-resistant construction, low operating cost, No air leakage and compressed ducts reduce freight and storage costs.

 Spring steel wire helix assures dimensional stability, resists mechanical abuse and provides more efficient air distribution. Meeting British Standards BS 476 ODP value zero and GWP value less than 5.