... from bugging 3.material:304,306,306L,etc Stainless steel window screenWindow screen widely used ... erosion resistance, good air ventilation, easy cleaning, etc.5.Performance: resistant to acid, alkali and erosion ... 15.0M,20M,25M,30M,100', 50M,etc.11X1112X1214X1412X1214X1416X1613X1316X1618X1814X1418X1820X2012X1420X2022X2216X1322x2224X2416X1426x2626X26-30x3028X28 3.)Alloy Aluminum Window Screen& Stainless ...