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Flexible Air Ducts

AF626
Flexible Insulated Semi-Rigid Square Duct
Flexible Semi-Rigid Insulated Square  Duct
Flexible Semi-Rigid Square Insulated Duct (UL 181 Class 0)

Product description
Highly efficient thermally insulated rectangular semi rigid flexible air duct.
 
Ideal for low, medium and high pressure heating, air conditioning and ventilation systems

Construction
 
Quadruple lamination of two layers of polyester and two layers of aluminum foil, encapsulating a strong corrosion resistant bronze coated steel wire helix to form a semi rigid rectangular core.