Our 14″ (35.56cm) diameter Wire-Reinforced Pre-Conditioned Air (PCA) Hose/Duct comes in 3 lengths and is designed for use with aircraft air conditioning and heating units.
The wire-reinforced pre-conditioned air ducting features an encased steel-wire helix construction to prevent collapsing & crushing of the duct, while remaining resistant to abrasion, fatigue, & deterioration from weather & chemical influences. It is portable, flexible, compressible, & retractable. The material is constructed from a 20 oz. per square yard polyester reinforced flame-resistant PVC fabric on the outside with 1/4″ closed cell foam insulation and 14 oz. per square yard PVC fabric on the inside. These fabrics are flame resistant in accordance with the UL94VTM-O Testing Methods.