DuraVent PolyPro Concentric 4" x 6" Extension With SP btu43500 Classic and elegant design

Classic and elegant design

10 ¼" Base: 13"

Modern two-tone finish enhances fireplace décor

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FasNSeal Double Wall Specification

DuraVent PolyPro Concentric 4" x 6" Extension With SP btu43500 Classic and elegant designPolyPro 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