... , 120g/m2, 125g/m2, 130g/m2, 150g/m2, practical high quality insect window screen Specifications:1. Standard Mesh: 3mm×3mm, 4mm×4mm, 5mm ... ideal material in industrial and agricultural buildings to keep away fly, mosquito and small insects or for the purpose of ventilation ... fire resistance, corrosion resistance, heat resistance, easy cleaning, good ventilation, high strength, stable structure, etc.