7" - 8" DuraVent DuraTech Round Trim Collar for Round Support Box - 7DT-TCR
This 5" - 6" round trim collar for round support box conceals the gap between the round ceiling support box and the ceiling cutout.
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.