National Chimney M-Flex Wood-Burning Insert Basic Liner Kit

• Premium 316 Stainless Steel Chimney Liner – Constructed from mill-certified 316 stainless steel, offering exceptional corrosion resistance, heat tolerance, and long-lasting durability for wood-burning fireplace inserts and wood stoves.
• UL 1777 Listed Chimney Liner Kit – Tested and certified to UL 1777 standards, ensuring safe and reliable venting performance for wood, coal, oil, gas, and pellet-burning appliances.
• EZ Clamp Stove Adapter – Features a convenient EZ clamp stove adapter that creates a secure, tool-free connection between the flexible chimney liner and stove or insert collar for quick installation.
• Complete Chimney Liner Kit – Includes a 316 stainless steel liner, EZ clamp adapter, rain cap, and 13" x 13" top plate, providing everything needed for a professional chimney relining project.
• Heavy-Duty Flexible Construction – Manufactured from .006" thick stainless steel for the ideal balance of strength, flexibility, and easy maneuverability through existing masonry chimneys.
• Improves Wood Stove Efficiency – Enhances draft performance, promotes cleaner combustion, and helps maximize the heating efficiency of your wood-burning stove or fireplace insert.
• Reduces Creosote Buildup – The smooth interior surface supports improved airflow and helps minimize creosote accumulation, contributing to safer chimney operation and easier maintenance.
• Weather-Resistant Protection – Includes a durable rain cap and top plate designed to prevent moisture, debris, and animals from entering the chimney system.
• Multiple Sizes Available – Offered in 15', 25', and 35' lengths with 6-inch and 8-inch diameters to accommodate a wide range of chimney liner installation requirements.
• Ideal for Chimney Relining Applications – A dependable stainless steel chimney liner kit designed for upgrading existing chimneys and creating a safe, efficient venting system for wood-burning heating appliances.

Warranty

• Limited Lifetime Warranty

Documents & Files

• Product Brochure
• Installation Guide