PROLOCK

Pipes, tubes, couplings, connectors, valves, adaptors, flow controllers, pipe reducers, pipe enlargers, dividers, plugs, and parts and fittings for the aforesaid goods; all of the foregoing made of metal and for use in transporting liquids or gasses

Pipes, tubes, couplings, connectors, valves, adaptors, flow controllers, pipe reducers, pipe enlargers, dividers, plugs, and parts and fittings for the aforesaid goods; all of the foregoing made of plastic and for use in transporting liquids or gasses

Pipes, tubes, couplings, connectors, valves, adaptors, flow controllers, pipe reducers, pipe enlargers, dividers, plugs, and parts and fittings for the aforesaid goods; all of the foregoing made of non-metallic material or predominantly non-metallic material and for use in transporting liquids or gasses