4" Type B Gas Vent Male Adaptor - 4GVAM
This male adaptor is used to connect existing DuraVent Type B Gas Vent to a listed Type B Gas Vent system manufactured by other companies. Male adaptor can also be used to attach to DuraFlex AL.
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.