Insect Screen Mesh Fiberglass insect screen offers excellent properties of fire resistance, corrosion ... and small insects or for the purpose of ventilation. Fiberglass insect screen offers excellent properties of fire resistance, corrosion ... 48",60",72"Standard Sizes:20x20mesh, 20x18 mesh, 18x18 mesh, 18x16 mesh, 18x14 mesh, 16x16 mesh, 16x14 mesh, 14x14 mesh.Color Available: Gray, black, white, green ...