- Specifications
- Z-flex is engineered to quickly conduct heat, assisting in a natural draft system
- Available in 2", 3", 4", 5", 5.5", 6", 7", 8", 9", 10" diameters
- Kit must be insulated for wood burning applications
- Larger diameters available upon request. Kit includes a limited lifetime warranty. UL 1777 and ULC S635 Listed for use with wood, pellet, oil, natural gas and propane fired appliances