DuraVent PolyPro Concentric 4" x 6" Tee With Cover w28.74 framing or finishing materials must

framing or finishing materials must NEVER encroach inside the finishing flange)

What is the cover made of

000 (NG) Burner 48" Linear Stainless Steel Burner Required Lava Media 20 lbs Required Glass Media 35 lbs Warranty Exterior (GFRC) Fire Feature Products: 3 Years

027") (Size) Inside Diameter 10" Length 24" A 10" B 12" Technical Dimensions

DuraVent PolyPro Concentric 4" x 6" Tee With Cover w28.74 framing or finishing materials mustPolyPro 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