Ideal for wood pellet, wood-burning, and non-condensing coal, gas, or oil appliances, the DuraFlex SS 6-ft. Mortar Sleeve for 5 inch Chimney Liner assists in meeting the UL1777 standard for fireplaces and masonry chimneys. It is designed for use with the UltraPro 5-in chimney liner pipe; however, its diameter is actually 1" larger than its nominal diameter. Also available in 4", 5.5", 6", and 8", this product is as flexible as it is simple to install.
- UltraPro 6-in. Mortar Sleeve
- Designed for Dura flex UltraPro 5-in. chimney liner pipe
- Actual diameter is 1" larger than nominal diameter
- Available in 4", 5", 5.5", 6", and 8"