Couplings and fittings and components thereof; connectors; fastener joints; reducting pieces and stem and cylinder adaptors, namely elbows, straights, tees, crosses and manifolds; ball and drain valves, stop valves, check valves, faucet valves; plugs; all of the aforesaid goods being for hoses, pipes or tubes suitable for use in residential and commercial plumbing and heating systems, and all made of metal

Couplings and fittings and components thereof; connectors; fastener joints; reducting pieces and stem and cylinder adaptors, namely elbows, straights, tees, crosses and manifolds; ball and drain valves; stop valves; check valves; faucet valves; plugs; all of the aforesaid goods being for hoses, pipes or tubes suitable for use in residential and commercial plumbing and heating systems, and all made of plastic

Filters (parts of domestic or industrial facilities); filter for drinking water; air filters being parts of air conditioning installations; filters for refrigerating apparatus and installations; all the aforesaid goods of plastic

Flexible pipes; tubes; couplings, namely being connections between two or more pipes or hoses; connectors for pipes hoses or tubes; extension for pipes hoses or tubes; branching plugs; parts and fittings for the aforesaid goods and all made of plastic

Pipes, tubes, couplings for hoses, all made of metal; metal gaskets, metal hose pipes and tube fittings and components thereof; metallic fastener joints; metal reducing pieces and tube adaptors, namely, elbows, straights, tees and crosses; parts and fittings included in this class for all the aforesaid goods

Filters (parts of household or industrial installations); filters for drinking water; filters (parts of air conditioning installations); filters for refrigerating apparatus and installations; all the aforesaid goods of plastic