DuraFlex SS Tee w/ Clamp Band and Removable Take-Off for 5.5" Chimney Liner - 55DFS-T: A vent pipe with a 6" inner diameter is required for this unit. The DuraFlex SS system is incomplete without this Tee Clamp with Clamp Band. It aids in the safe and effective venting of heating appliances while also safeguarding the brick chimney from the destructive effects of flue product condensation. For your 5.5" pipe, this tough, durable Tee comes with a Clamp Band and a Removable Take-off. It comes with an 8" removable snout and an attached tee cover. The tee's body is 10" long.

DuraFlex Tee with Clamp Band and Removable Take-Off for 5.5-in. pipe Comes with attached tee cover and an 8" removable snout Tee body is 10"