DuraVent DuraVent 7" Inner Diameter - DuraPlus Class A Chimney Pipe - Triple Wall - 14.25" Flat Ceiling Support Box

Dura/Plus chimney is designed for appliances that are tested and listed for use with a 2100°HT chimney system, such as wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas. Dura/Plus is tested to UL test procedures 103HT (2100°) and listed under UL re-examination service number MH 7399. You must use 100% Dura/Plus parts to obtain a Dura/Plus listed systemDura/Plus chimney pipe in 6 inch, 9 inch, and 12 inch lengths have a 1 inch ...