2238 ductwork products are offered for sale by suppliers on Alibaba.com, of which hvac systems parts accounts for 26%, registers & grilles accounts for 1%, and hvac systems accounts for 1%.
A wide variety of ductwork options are available to you, such as manufacturing plant, construction and retail.You can also choose from pe, aluminum foil and fiberglass ductwork,as well as from clear, blue, and green ductwork, and whether ductwork is bearing, motor, or pump.