Ventilation pipe 3D model is available on CGTrader for $24. Original author: raybrig. Specs: 59192 polys, 65963 verts.
MAX (Autodesk 3ds Max, filesize: 30.1 MB), OBJ (OBJ, filesize: 9.01 MB), FBX (Autodesk FBX, filesize: 7.09 MB), TEXTURES (Textures, filesize: 9.4 MB)