... netFiberglss window screen Description:Fiber glass mesh is made by C-glass or E-glass fibers wire woven roving as its ... and cost-effectiveSpecifications:1. Weight: 120G/M22. Sizes: 17*15 18*18 18*16 20*20 etcCross woven: Mesh Gauge ( mm ) SizeColour12 X ... X 16 0.21,0.23,0.25BLUE (DARK, LIGHT)18 X 180.19,0.21,0.23,0.25PURE WHITE22 ...