Check out Paintball Facemask - Type 5 3D model on CGTrader for $10. High-quality Polygon mesh mesh by faizal-3dx: 1581 polys, 1984 vertices.
STL (Stereolithography, filesize: 165 KB), OBJ (OBJ, filesize: 55.3 KB), BLEND (Blender, filesize: 599 KB), 3DS (3D Studio, filesize: 56.8 KB), DAE (Collada, filesize: 231 KB), LWO (Lightwave, filesize: 23.9 KB)