4" ArmorFlex 304L Stainless Steel Rigid Support Clamp - CL4
This clamp ensures that your rigid chimney liner is properly supported and reinforced. With this clamp, you won't need to worry about the liner loosening or deteriorating for a very long time.
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.