5405 air duct box products are offered for sale by suppliers on Alibaba.com, of which hvac systems parts accounts for 20%, hvac systems accounts for 3%, and registers & grilles accounts for 2%.
A wide variety of air duct box options are available to you, such as hotel, industrial and outdoor.You can also choose from modern, air duct box,As well as from onsite training, onsite installation air duct box, and whether air duct box is abs, steel, or stainless steel.