... for the purpose of ventilation.Tianshan can provide fiberglass screen in a variety of colors for export to ... the USA, Italy and other countries.Fiberglass screen properties: Fiberglass screen offers excellent properties of fire resistance, corrosion resistance ... good ventilation, high strength, stable structure and so on.Fiberglass Screen Specification: 20x20mesh, 20x18 mesh, 18x18 mesh, 18x16 mesh, ...