Pelletvent Relining For Factory Built Chimneys: Vertical Cap- Storm Collar- Support Bracket- Ventilation Disk- Centering Bracket- Pelletvent Pro12" Length- Flex Connector- Flex Length (20'or 35') Adj Band- Flex Adapterupc-a : 662492461617order # : 3pvp304-20kfbstock # : 810009339pieces In Carton : 1