PVC U Section Bar is one of the main part of the fabrication of the phenolic air duct,it played a great role in connecting panels.The function of the PVC U Section Bar is for connecting the phenolic pre-insulated air duct to the diffuser and grilles .Our PVC accessories are fire prooof.About the package,normally it will be cutted in 4 meter long,80 meter per bundle and be packed by plastic film.It's for phenolic pre insulated ducts used.
3.Specially for phenolic ductwork used.
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