R6 INSULATED FLEXIBLE DUCT 16" X 25' Our air duct is a thermally insulated , fully lined, flexible air duct designed for use in all medium pressure cooling and heating systems. It is used in either supply or return sections: for branch ducts and branch connections to or between mixing units, induction units, control or terminal units and diffusion devices, including light troffers. Underwriters Laboratories UL 181 listed, and complies with NFPA Standards 90A and 90B. Core material will not support mold and mildew growth. Fully lined for efficient air delivery. Large diameter, heavy, spring steel wire helix assures dimensional stability, resists mechanical abuse and provides more efficient air delivery. Bi-Directional reinforced metallized jacket resists tearing reduces chance for damage to vapor barrier. Acoustically rated CPE core assures quiet performance. Uniquely constructed core will not unravel when cut. All components are self-extinguishing and will not support flame (see oxygen index figures under application and engineering data). Outward Cast of heavy spring steel helix keeps duct core from shrinking up inside insulation and jacket, resulting in less waste. CPE core material will stretch over fittings providing a snug fit and reducing labor costs associated with a poor fit. CPE core will not blow-out and eliminates costly call-backs. Labor savings and reduced waste result in lower installed costs.
If ordering large amounts of flex duct (5 or more small sizes, 3 or more large sizes), please contact us for a shipping quote before ordering. We may have options to save on freight costs. Call 602-997-1256