... I type and II type.Character: the products character of weight light, toughness good, corrupt--resist, airiness, easy cleanness ... screen, fiberglass window screen, etc.Specification List of Window Screen NettingVarietySpecificationTechnical NotesMesh/InchWire GaugeRoll SizeGal.Iron ... I type and II type.Character: the products character of weight light, toughness good, corrupt--resist, airiness, easy ...