Metal-Fab SuperFlex 3" x 300" Length Stainless Steel Chimney Liner Flex Kit 48in Comes with deluxe log set

Comes with deluxe log set installed PLUS your choice of Ember or Ice media options

The diaphragm is made of NBR (silicone)

giving you seamless control over your outdoor heating system

if in the "ON" position

Metal-Fab SuperFlex 3" x 300" Length Stainless Steel Chimney Liner Flex Kit 48in Comes with deluxe log setFlexible 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