Check out Cement Window 0006 Low-poly 3D model on CGTrader for $15. High-quality mesh by cgi1688888: 6464 polys, 6626 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 626 KB), FBX (Autodesk FBX, filesize: 373 KB), MA (Autodesk Maya, filesize: 1.77 MB)