... :14x14,18x16,20x20 diameter:BWG31-32 Fiber Glass Car Window Screen Material :high quality fiberglass wiremesh:14x14,18x14,20x20 ... a variety of mesh and colors .Like as aluminium screen, standard are 18x16 and the two most popular ... special order in 78” and 84” widthsFiberglass window screen specification DescriptionSpecificationMeshWire GaugeWidthFiberglassWindowScreen14x14BWG31BWG320.61,0.71,0.76,0 ...