DuraVent DuraFlex Pro 4" x 110' Stainless Steel Custom Length h97 Crystal Fire® Burners can run

Crystal Fire® Burners can run for 8-16 hours using a 20 lb

Choice of copper or stainless steel spillway

Optional adapter for use with 8" chimney systems

Textured Satin Black 4 Sided Aluminum Trim

DuraVent DuraFlex Pro 4" x 110' Stainless Steel Custom Length h97 Crystal Fire® Burners can runDuraFlex 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