This texture is FREE for commercial use.
It is an elastic duct made of aluminium foil and some metallic rings. The crumpled texture offers the flexibility for bending. Therefore, this kind of ducts is usually used as a gas pipe.
The color of the foil and metal rings can be changed by the Substance SBSAR file.
Check out this free PBR texture at
https://www.texturecan.com/details/429/