Fittings, not of metal, for flexible pipes; Fittings, not of metal, for pipes; Fittings, not of metal, for rigid pipes; Flexible plumbing pipes of plastic; Flexible pipes, not of metal; Flexible plastic conduits for plumbing purposes; Flexible plastic conduits for plumbing use; Flexible plastic pipes for plumbing purposes; Flexible plastic pipes for plumbing use; Flexible PVC pipes; Gasket sealer for use in plumbing; Insulated pipe supports; Insulation for underground pipes and tanks; Insulation jackets for industrial pipes; Insulation jackets for pipes; Interior linings made of non-metal fabric and sealant for the repair of electrical, telecommunication and natural gas utility conduits and pipes; Junctions, not of metal, for pipes; Junctions, not of metal, for rigid pipes; Non-metal fittings for pipes; Non-metal pipe couplings and joints; Pipe insulation; Pipe jackets, not of metal; Pipe joint compound; Pipe joint sealant; Pipe joint tape; Pipe jointing compounds; Pipe muffs, not of metal; Plastic plumbing hoses; Plastic conduit for plumbing use; Plastic hoses for plumbing use; Putty for use by plumbers for affixing toilets; Rings of rubber for use as pipe connection seals; Rubber tubes and pipes; Tubing consisting of plastic films for rehabilitating pipelines and plumbing systems; Watertight rings for plumbing pipes