Metal sleeves for pipes; metal joints for pipes; metal fittings for pipes; metal valves (other than machine parts); metal valves for water pipes; metal valves of drain pipes and water pipes; metal flanges; metal supports for pipes; metal pipes; water pipes of metal; metal gaskets for metal pipes

Non-metal sleeves, fittings and joints for pipes; polyethylene sleeves for pipes; polyethylene fittings for pipes; non-metal pipes; flexible non-metal pipes; polyethylene joints for pipes; closing ends of polyethylene for pipes