Z-Flex 4" x 30' Aluminum Liner Kit btu30000 The 100-inch design is perfect

The 100-inch design is perfect for corporate entries

4-point and 2-point suspension

Model DV-6DT-CS36-2 Product Type Square Ceiling Support Box

Adding your fireplace to your WiFi network

Z-Flex 4" x 30' Aluminum Liner Kit btu30000 The 100-inch design is perfectUL listed aluminum chimney liner kit for use with Category I natural draft gas fired heating equipment and gas fireplaces. Note: For Use with Natural Draft Appliances. Not intended for use with Category II, III, or IV gas burning appliances as defined by the National Fuel Gas Code, NFPA 54, or other appliances that result in condensation or corrosive acids on the liner of the chimney, or that create positive pressures in the chimney system.