13 ASBESTOS PACKING RINGS, PACKING TUBES, PACKING BELLOWS, WASHERS, LIP PACKINGS, SLIDING RING PACKINGS, GLAND PACKINGS, MOLDED PACKINGS, FLANGE PACKINGS AND MANHOLE GASKETS, SAFETY VALVES, PRESSURE EQUALIZERS, PACKINGS AND GASKETS MADE OF FIBERS AND WOOL