478 ceiling duct box products are offered for sale by suppliers on Alibaba.com, of which registers & grilles accounts for 18%, hvac systems parts accounts for 14%, and wiring ducts accounts for 1%.
A wide variety of ceiling duct box options are available to you, such as hotel, building and office.You can also choose from graphic design, total solution for projects and 3d model design ceiling duct box,As well as from modern, contemporary ceiling duct box, and whether ceiling duct box is return and replacement, onsite training, or onsite installation.