DuraVent PolyPro Concentric 4" x 6" Extension With SP btu43500 Williams Furnace 7720 Gas Conversion

Williams Furnace 7720 Gas Conversion Kit - Natural Gas to Propane Gas for 5008632

Disposal Door - Allows for ashes to be easily swept out

Classic and elegant design

Unitized pipe sections

which is ideal for spending quality time with loved ones watching a movie or reading

DuraVent PolyPro Concentric 4" x 6" Extension With SP btu43500 Williams Furnace 7720 Gas ConversionPolyPro 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