6" 7/12 - 9/12 DuraVent DuraTech Trim Collar For Roof Support - 6DT-RSTC9
This 7/12 - 9/12 DuraTech trim collar conceals the gap between chimney pipe and ceiling cut-out when used with a roof support.
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.