7" Oval Chimney Liner Kit in lengths up to 50 feet long! ChimneyLinerKits.com
20 foot chimney liner kit
Copperfield Chimney 5" x 100ft 316Ti-Alloy .005 Stainless Steel Premiu – US Fireplace Store
Amazon.com: Flex King 6" x 25' 316ti Stainless Steel Chimney Liner Tee Kit (Includes: Rain Cap, 13x13 Flat Top Plate, 25ft Chimney Liner, Tee Body, 10" Long Tee Snout, Tee Cap) Life