2336 brass air vent products are offered for sale by suppliers on Alibaba.com, of which other valves accounts for 31%, registers & grilles accounts for 2%, and check valves accounts for 1%.
A wide variety of brass air vent options are available to you, such as aluminum, plastic and aluminum alloy.You can also choose from ceiling, wall and floor brass air vent,as well as from home, kitchen, and bathroom brass air vent, and whether brass air vent is round, square, or rectangle.