Designed to fit on the round chimney pipe just above the roof flashing.The upper edge should be waterproofed with plastic sealer to prevent any water from leaking between the storm collar and chimney pipe. Part is tightened with screws or tabs after proper positioning. 5-1/2" H.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.