DuraFlex SS Tee w/ Clamp Band and Removable Take-Off for 5" Chimney Liner - 5DFS-T: A vent pipe with a 5" inner diameter is required for this unit. Meeting UL regulations can be difficult at times, but with this DuraFlex SS Tee, you can easily fulfill the UL 1777 criteria for adequate ventilation of your masonry chimney or wood burning device. If you've ever used a wood burning device, you're aware that after time, a buildup can occur, which must be cleaned out or avoided. With the right equipment and supplies, you can prevent accumulation in your chimney by installing a liner. To be effective, the stainless-steel tee with clamp band and removable take-off must be used in conjunction with a 5" chimney liner and DuraVent DuraFlex zero clearance insulation sleeve.

DuraFlex Tee with Clamp Band and Removable Take-Off for 5-in. pipe Comes with attached tee cover and an 8" removable snout Tee body is 10"