... air duct, vent hose, vent duct, air pipe Type;HGA6001 Material: aluminum alloy Full ranges of colors and models Aluminum air duct, vent hose, vent duct, ... air pipeModel No.: HGA6001Brief introduction:Named after aluminum alloy soft hose/pipe/duct/tube,aluminum ... as industrial and residential application. Aluminum air duct, vent hose, vent duct, air pipe HGA6001