Fabric expansion joints for piping and rigid ducting; Fittings, not of metal, for compressed air hoses; Fittings, not of metal, for flexible pipes; Fittings, not of metal, for rigid pipes; Flexible hoses, not of metal; Joint packings for pipes; Junctions, not of metal, for flexible pipes; Junctions, not of metal, for pipes; Junctions, not of metal, for rigid pipes; Non-metal couplings for fire hoses; Non-metal pipe couplings and joints; Non-metal pipe muffs; Padding materials of rubber or pla...