DuraVent DuraTech All-Fuel Chimney Elbow Support Strap - For 5" Inner Diameter DuraTech: A vent pipe with a 5" inner diameter is required for this unit. It is critical to provide sufficient support for your chimney. DuraTech knows this important need and has designed their All-Fuel Chimney Elbow Support Strap to ensure that your chimney is well fastened to the wall and not going anywhere. Intended specifically for Elbows with a 5" inner diameter you can rest assured that not only your chimney is strong enough to withstand anything but also will be firmly secured to the wall regardless of what happens.

Supports chimney pipe between offsets Durable galvanized steel construction For use with 5" DuraTech chimney pipes Limited lifetime warranty