957 metal air vent grille products are offered for sale by suppliers on Alibaba.com, of which registers & grilles accounts for 40%.
A wide variety of metal air vent grille options are available to you, such as hotel, office and building.You can also choose from aluminum, aluminum alloy and plastic metal air vent grille,as well as from graphic design, total solution for projects, and 3d model design metal air vent grille, and whether metal air vent grille is modern, contemporary, or traditional.