448 slot bar diffuser products are offered for sale by suppliers on Alibaba.com, of which registers & grilles accounts for 80%.
A wide variety of slot bar diffuser options are available to you, such as hotel, office and building.You can also choose from aluminum, aluminum alloy and steel slot bar diffuser,as well as from graphic design, total solution for projects, and 3d model design slot bar diffuser, and whether slot bar diffuser is modern, contemporary, or traditional.