Check out Sci-Fi Modular Halls Interior Enviroments for Unity Low-poly 3D model on CGTrader for $29.99. High-quality mesh by rfarencibia: 1660 polys, 1660 vertices. PBR, Textured, UV Mapped.
UNITYPACKAGE (Unity 3D, filesize: 153 MB), FBX (Autodesk FBX, filesize: 2.48 MB), TEXTURES (Textures, filesize: 149 MB)