... *30m 5.We have in stock. 20gauge Mosquito Iron Window ScreensMaterialslow carbon steel wire, stainless steel wire, Al-Mg ... Alloy wire, galvanized wire, PVC wire, aluminum wire. Window screen character 1> flittering luster and good toughness, ... ventilation3> easy to clean,precise4> tensile strength , density length, Window screen Uses: 1> reinforcing light wallboard2>pest control,pastures,3 ...