DuraVent PolyPro Concentric 4" x 6" 45 Degree Elbow h21.563 Is the PelletVent Pro® approved

Is the PelletVent Pro® approved as a Category III UL1738 for use on horizontally terminating Unit Heaters and Radiant Tube Heaters

Pitch 8" 11/12 to 15/12 Color Silver Technical Drawings & Dimensions

This new design gives you the flexibility of securing the 5"

Connects directly from stove to ceiling support box or finishing collar

DuraVent PolyPro Concentric 4" x 6" 45 Degree Elbow h21.563 Is the PelletVent Pro® approvedPolyPro Concentric provides users the most versatile polypropylene venting system for high efficiency, condensing appliances. The injection molded modular system is designed with a powder coated aluminum outer pipe and a polypropylene inner pipe. It does not require a locking band and provides users with a fast, safe, clean, and sustainable venting solution. The PolyPro Concentric system also includes elbows that have a smooth wall lining and are