stainless steel window screen ISO9002 material:302,304,304L,316,316L mesh:14*14,16*16,18*18,18*14,20 ... type I and II.Usefulness of stainless steel window screen: Used as the insect protection in hotels, public building and residential houses ... color14x1416x1616x1418x1618x14Plastic wire netting12x12Same as aboveMesh 12,14,16: hinged weave.Mesh 18,22,24: plain weaveWhite , blue, green, etc. ...