insect screen is widely used for windows and corridors to prevent insects from bugging you. The specifications include 14*14 mesh , 16*14 mesh, 16*16 mesh,18*18 mesh, 18*14 mesh; and the wire diameter generally is BWG31 or BWG32.The following insect screen are available for supply: Galvanized Iron insect screen Enameled insect screen Painted Iron Insect screen Epoxy-coated Insect screen Aluminum Alloy Insect screen Fiberglass Insect screen Plastic Insect screen stainless steel insect screen