DuraVent DuraLiner 6" x 14" Round-To-Oval Stainless Steel Flex Pipe coupler-kit and grease duct (DIS only)

and grease duct (DIS only)

The combustion time for an EPA or CSAB415

24" / 30" Cumberland Millivolt Valve Vent Free Liquid Propane Gas Burner

Outer Jacket can be painted

DuraVent DuraLiner 6" x 14" Round-To-Oval Stainless Steel Flex Pipe coupler-kit and grease duct (DIS only)DuraLiner ensures safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue gas. It is the only factory insulated product with zero zero clearance for high heat wood burning appliances. No need to uncoil flex, insulate a majority of the pipe, or protect the insulation when installing. A smooth inner means less creosote buildup. Installers reduce labor time by 50% or more with DuraLiner. No