266 22 inch ventilation duct products are offered for sale by suppliers on Alibaba.com, of which axial flow fans accounts for 94%, hvac systems parts accounts for 2%, and hvac systems accounts for 1%.
A wide variety of 22 inch ventilation duct options are available to you, such as plastic, pvc.You can also choose from white, 22 inch ventilation duct,as well as from flexible 22 inch ventilation duct