Lightweight and compact wire aluminum duct "Monkey King".& 16 types with nominal diameter from φ50 to φ500 with 1 piece 10 m in length. Every size is vacuum packed to achieve space saving. Lower in price than conventional aluminum flex or resin hose ducts, its light weight and compact size makes it easy to transport on-site, improving piping efficiency and reducing overall costs. It is lightweight and uses unique processing techniques to integrate triple layers of aluminum foil / short pitched high carbon steel wire. In addition, it ensures flexible application to meet on-site conditions, and has characteristics to retain its shape. It has excellent durability, is airtight and has been accredited as a "non-combustible material" by the Ministry of Land, Infrastructure and Transport.