DuraVent PolyPro Concentric 2" x 4" Telescoping Vent Length h30.7 Heavy‑duty steel construction with a

Heavy‑duty steel construction with a black finish for long‑lasting outdoor durability

Model 4MO48 Application For use with category I natural gas-burning or propane-fired appliances such as gas boilers

Pine cone for enhancing gas log sets

beautiful black cast finish and robust

Large grill area ideal for serving a large number of people

DuraVent PolyPro Concentric 2" x 4" Telescoping Vent Length h30.7 Heavy‑duty steel construction with aPolyPro 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