4" DuraVent DirectVent Pro Galvalume 7/12 - 12/12 Pitch Roof Flashing - 46DVA-F12
This roof flashing is used to weather-proof the penetration of vent pipe through the roof. Storm collar required.
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.