Made of rust free aluminum, with a 2 inch tail pipe (adapter) to fit existing duct work. The inner vertical louvers of the roof vents act as an insect screen, keeping out wildlife while allowing air to flow without resistance. Its superior design also rain and snow from entering, as the top is not open to the sky. Having a round design makes the vent aerodynamic, which allows it to deflect wind an objects carried by the wind.
The low profile and round design of the residential roof jack is appealing to the eye and with various color options your home will look beautiful. The commercial roof jack has a standard 11 in. collar height, great for a flat roof install, especially in areas with high rain or snow fall.