This specific 3D model, "Fire Hydrant Low-poly 3D model 16", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
ZTL (Zbrush, filesize: 294 KB), OBJ (OBJ, filesize: 567 KB), FBX (Autodesk FBX, filesize: 567 KB)