Metal-Fab SuperFlex 3" x 420" Length Stainless Steel Chimney Liner Flex Kit outdoor-harmony-burner Powerful Heating: Powerful fan-forced heater

Powerful Heating: Powerful fan-forced heater provides on-demand heat

Thermal switch controls automatically on/off operation

Can be put anywhere

to boost stove efficiency

WiFi Compatible to connect and control the fireplace from your smartphone with the use of our app

Metal-Fab SuperFlex 3" x 420" Length Stainless Steel Chimney Liner Flex Kit outdoor-harmony-burner Powerful Heating: Powerful fan-forced heaterFlexible Stainless Steel Chimney Liners intended for field installation into new or existing tile lined or unlined masonry chimneys used for venting natural active Category I gas fired, Type L oil fired and solid fuel residential type appliances in which maximum continuous flue gas temperatures do not exceed 1000F. Chimney liners are intended to be installed in accordance to the Standard for Chimneys, Fireplaces, Vents, and Solid Fuel Burning