Aluminum vent duct Type;HGA6001 Material: aluminum alloy Full ranges of diameters Competitive in quality and price Aluminum vent ductModel No.: HGA6001Brief introduction:Named after aluminum alloy soft hose/pipe/duct/tube,aluminum extension tube,Main specification:1- Outer diameter(mm): 50, 60,80,90,100,110,120,125,150,160,175,180,200,250,till 4002- Thickness: 80um, 100um, 110um, 130um and more3- ...