I have stainless steel flute chimney stack with heat resistant insulation and Galvanized outer construstion includes
1- thru the wall section flue
1- support base section
3- hanger brackets
1- tee base section flue
2- 45degree elbow flue
1- stack cap flue
1 - 8" section flue
2- 12" section flue
2- 24" section flue
4- 36" section flute
it was removed from an older house scheduled for demolition looks to be a newer installation that was hardly used