About the DuraVent 4636-F DuraLiner Round-To-Round Flex Pipe - 6" x 36"
Use DuraVent 4636-F through damper and smoke shelf area with a DuraLiner two-ply Insulation Sleeve, where flex extends into clay liner, for zero-clearance applications. Built from 1-ply construction, 0.005” 304 stainless steel. Available in round 6” and 8” diameters in 36” and 60” lengths, but this particular round-to-round flex pipe model is 6" x 36".