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Glass fibers (including glass wool) and articles thereof (for example, yarn, rovings, woven fabrics): Mechanically bonded fabrics: Open woven fabrics of a width exceeding 30 cm: Plain weave, weighing less than 250 g/m2, of filaments measuring per single yarn not more than 136 tex: Colored: Other Weighing 185 grams or less per square meter (622)

Glass fibers (including glass wool) and articles thereof (for example, yarn, rovings, woven fabrics): Mechanically bonded fabrics: Open woven fabrics of a width exceeding 30 cm: Plain weave, weighing less than 250 g/m2, of filaments measuring per single yarn not more than 136 tex: Colored: Other Weighing more than 215 grams per square meter, with a filament diameter of 7 to 13 microns (622)

Glass fibers (including glass wool) and articles thereof (for example, yarn, rovings, woven fabrics): Mechanically bonded fabrics: Open woven fabrics of a width exceeding 30 cm: Plain weave, weighing less than 250 g/m2, of filaments measuring per single yarn not more than 136 tex: Colored: Other Other (622)