Z-Flex 4" Stainless Steel Flexible 316ti Chimney Liner h2.68 Why is the efficiency as

Why is the efficiency as per the EPA’s test data smaller than the publicized optimum efficiency

Includes one decorative side box to fill with your chosen noncombustible accessory

System 4 Burner kits require a minimum of 16" of depth

These embers are placed among the embers that are included with your fireplace or log set

can be used in a firepit and have no left-over gas pockets that could burst

Z-Flex 4" Stainless Steel Flexible 316ti Chimney Liner h2.68 Why is the efficiency asAdditional Length of Stainless Steel 316ti Chimney Liner. Price is only for 1 ft. This product is sold by ft. Enter the desired ft in the quantity field before adding to the cart. Features Patented airtight Triple Lock construction. Available in lengths to 50ft in 5 foot increments. Available in 3" through 24" diameters. UL 1777 and ULC S635 Listed for use with wood, pellet, oil, natural gas and propane fired appliances.