8" DuraVent DuraLiner Masonry Thimble with Slip Connector - 8DLR-MTSC1
This masonry thimble with slip connector is used to penetrate masonry chimney to allow connection of DuraBlack or DVL to DuraLiner. Adaptor must be used to attach the connector pipe to the masonry thimble.
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.