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AmeriVent® by Duravent
TEE REDUCING 4 X 4 X 3IN 8-7/8IN GALV
Features a branch with a smaller diameter than its trunk size and provides a convenient connection of the furnace and water heater to a common vent|For use with type B gas vent system
American Metals Products
4ET-3
UL Listed
Limited Lifetime
B-Vent & Fittings