4" DuraVent DirectVent Pro Vertical Wind Guard - 46DVA-VWG
This vertical wind guard is used only with High Wind Termination Cap when additional wind protection is needed. Fits both 4" x 6" 5/8" and 5" x 8" terminations.
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.