1) Felexible Pipe 2) 5 Meters or 10 Meters duct 1) Fexible soft duct, high pressure under long distance2)Suitable for underground, telecommunication, reparing tunnel project and ect3) Many sizes: 8",10",12",14",16",18",20",24" Flexible duc/hose(8"/10"/12"/14"/16"/18"/20"/24")