DuraVent DuraFlex Pro 3" x 110' Stainless Steel Custom Length w40.375 Napoleon 3-Sided / 4-Sided Backerplate

Napoleon 3-Sided / 4-Sided Backerplate for Oakville GDIX4 Fireplace Insert

white frame surrounding a realistic flame display

18-1/2" (See Through) BTU 45

20" flex tube and silicone for sealing the manifold to the Fireplace Heater

17" 17" Base Diameter: 20" 20" 20" Burn Area Diameter: 29"

DuraVent DuraFlex Pro 3" x 110' Stainless Steel Custom Length w40.375 Napoleon 3-Sided / 4-Sided BackerplateDuraFlex Pro is the ultimate in flexible steel liners for strength and flexibility. It features 20% more stainless steel per foot compared to other liners on the market. Its extreme flexibility facilitates problem free installations where multiple offsets are needed. DuraFlex Pro is available in 3 through 12 diameters in lengths, kits and custom lengths. DuraFlex Pro is manufactured utilizing highly corrosion resistant 316 Stainless Steel. Listed to