Metal duct expansion joints

190 metal duct expansion joints products are offered for sale by suppliers on Alibaba.com, of which pipe fittings accounts for 84%, metal building materials accounts for 1%, and hvac systems parts accounts for 1%. A wide variety of metal duct expansion joints options are available to you, such as building, industrial and sport venue.You can also choose from plastic, steel and galvanized steel metal duct expansion joints,as well as from contemporary metal duct expansion joints and whether metal duct expansion joints is white, black, or silver.