Window screening is widely used for windows and corridors to prevent insects from bugging you. The specifications include 14X14mesh ,16X14mesh, 16X16mesh,18X18mesh, 18X14 mesh; and the wire diameter generally is BWG31 or BWG32. The following wire screenings are available for supply:Enameled Wire Mesh Gal. Iron Wire Mesh Painted Iron Wire Mesh PVC-Coated Iron Wire Mesh Epoxy-coated Wire Mesh Aluminum Alloy Wire Mesh Fiberglass Wire Mesh Plastic Wire Mesh