6" Ventis Single-Wall Black Stove Pipe Barometric Damper - 02722701
This barometric damper helps regulate chimney drafts and properly releases built-up pressure in your flue.
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.