Aluminumflexible ductModel No.: JF-029Brief introduction:Named after aluminum alloy soft hose/pipe/duct/tube,aluminum extension tube,Mainspecification:1-Outer diameter(mm): 50, 60,80,90,100,110,120,125,150,160,175,180,200,250,till 4002- Thickness: 8um, 10um, 11um, 13um and more3- Standard length:...