Check out Military Gas Mask Low-poly 3D model on CGTrader for $4.99. High-quality Polygon mesh mesh by overlord66: 1584 polys, 1920 vertices. PBR, Textured, UV Mapped.
BLEND (Blender, filesize: 978 KB), OBJ (OBJ, filesize: 248 KB), FBX (Autodesk FBX, filesize: 150 KB), DAE (Collada, filesize: 241 KB), STL (Stereolithography, filesize: 160 KB)