145 diffuser cove products are offered for sale by suppliers on Alibaba.com, of which registers & grilles accounts for 2%.
A wide variety of diffuser cove options are available to you, such as hotel, office and industrial.You can also choose from aluminum, aluminum alloy and plastic diffuser cove,as well as from graphic design, total solution for projects, and 3d model design diffuser cove, and whether diffuser cove is return and replacement, free spare parts, or onsite inspection.