... 4', 5', 6', 2mwring or plain18x182', 3', 4', 5', 6', 2mplain22x222', 3', 4', 5', 6', 2mplain24x242', 3', 4', 5', 6', 2mplain26x262', 3', ... 4’, 5', 6', 2mplain30x302', 3', 4’, ... cold and warm,no moulding,steady structure,good airiness,high intensity,tortuosity-resisting,long usage life. Packing The sizes ...