Flexible tubes, not of metal; flexible pipes and hoses of rubber or plastic, and couplings therefor, for cooling circuits in vehicle; rubber coolant and heater hoses for cooling and heating vehicle circuits; plastic coolant hoses for cooling circuits and heating circuits in vehicles; quick-connectors of rubber and plastic for hoses or pipes, namely, couplings and adapters for connecting non-metal hoses and flexible pipes for motor vehicle use; rubber hoses for engine oil circuits; rubber and ...