A DuraVent DuraTech All-Fuel Chimney Elbow Support Strap - For 7" Inner Diameter DuraTech: A vent pipe with a 7" inner diameter is required for this unit. This elbow support strap is made of galvanized steel and allows you to join offsets in the chimney pipe securely. The strap will fit a ventilation pipe with a diameter of 7". The cost is well worth the peace of mind that comes with knowing that all of the pipes in your ventilation system are secure and supported, and that nothing will break and cause a fire hazard within the chimney walls.

Supports chimney pipe between offsets Durable galvanized steel construction For use with 7" DuraTech chimney pipes Limited lifetime warranty