This specific 3D model, "Gas Mask Low-poly 3D model 12", is an asset made available by "Unknown author".
Download this asset at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
MAX (Autodesk 3ds Max, filesize: 86.6 KB), OBJ (OBJ, filesize: 44.8 KB), FBX (Autodesk FBX, filesize: 171 KB), GLTF (glTF, filesize: 50.7 MB), TEXTURES (Textures, filesize: 49.9 MB)