Z-Flex 7" x 30' Aluminum Liner Kit counter-flow 800 sq ft Viewing Area:

800 sq ft Viewing Area: 37-1/2 x 13-1/2" (506 sq in) Efficiency3: Up to 99

Part Number TG-STEELBLUE Material Tempered Glass Size 1/4-Inch Weight 10 lbs

It is designed for pitched roofs between 8/12 pitch and 12/12 pitch

a 1/4 inch T-connector for inlet and outlet

Z-Flex 7" x 30' Aluminum Liner Kit counter-flow 800 sq ft Viewing Area:UL 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.