6
Water-pipes of metal; metal pipe collars; metal drains and drainpipes; brass pipe and tubing; metal branching pipes; metal fittings for straight and angle pipe connections; Metal manually operated valves for use in fluid flow control; metal couplings and joints for pipes; metal washers; adaptors for pipes of metal; metal water tank; Casks of metal; Storage Tanks of metal; water storage container of metal; metal swimming pools
7
Car washing machines; control valves for use in fluid flow control; pressure regulator valves; high-pressure safety valves; reducing valves; relief valves; water pumps for water treatment and filtration units; Electric balloon inflator pump; Circulating pumps; Compressed air pumps; Electrical water pumps for swimming pools; Water pumps for water filtering units; Automatic swimming pool cleaners and parts therefor; Hand-held vacuum cleaners; hydraulically operated chlorine dispensing machines for use in swimming pools; chemical dispensing machines for use in swimming pools; hydraulically operated bromine dispensing machines for use in swimming pools
9
Water testing instrumentation for monitoring and detecting contamination; Pressure controller for water filter
17
Plastic hose, pipe and tubing couplings for use in industrial and medical products and fluid handling systems; fittings in the nature of connectors not of metal for pipes and hoses; valves of rubber; nonmetal pipe fittings in the nature of pipe reducers of rubber or plastic; non-metal valve flange adaptors; plastic support for water filtration equipment; rubber and plastic watering hoses; Flexible pipes not of metal