Metalbest 6RF35KT 6" x 35-Foot Flexible Liner Stainless Steel Flex Tee Kit, Stainless Steel Highlights: All-In-One Kit includes 6" or 8" x 25' or 35' Flex Liner, Rain Cap, Flashing Adapter, Flex Connector, and Tee w/ Cap all made of stainless steel Assembly required. Kit listed to UL1777 standards Chimneys in applications burning wood, oil, coal, or gas Flex liners reduce the size of chimney opening, so they require less heat to effectively exhausted fumes and prevent moisture build up It must be installed in masonry chimneys only Features All-In-One Kit includes 6" or 8" x 25' or 35' Flex Liner, Rain Cap, Flashing Adapter, Flex Connect Assembly required. Kit listed to UL1777 standards Chimneys in applications burning wood, oil, coal, or gas Flex liners reduce the size of chimney opening, so they require less heat to effectively exhausted It must be installed in masonry chimneys only USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.