568 helix ducting products are offered for sale by suppliers on Alibaba.com, of which hvac systems parts accounts for 10%, duct making machines accounts for 8%.
A wide variety of helix ducting options are available to you, such as hotel, industrial.You can also choose from aluminum, plastic and steel helix ducting,As well as from white, black helix ducting,and whether helix ducting is flexible, or durable.