Description
DuraVent PolyPro 8" Firestop Spacer Double Wall Venting System concrete 430 Stainless Steel Outer Flue 1200W WM6 NG DMI G9T F5P NB 430 Stainless Steel Outer Flue Material 6" 8" (2) Hose Clamp 11 32" 125" (C) Clearance 0” clearance to combustibles vertical installations Listings ULC S636 is Listed as a Class IIA or other reproductive harm