11 water supply appliances namely pipes being parts of sanitary facilities, flow regulators and flow limiters; faucet aerators with or without aeration; flow straighteners, aerated and non-aerated, check valves non-return valves, Shower handles, and in particular variable shower handles, massage shower handles, shower heads and pullout spray handles, components and replacement parts for the afore-mentioned shower heads and handles; fittings for sanitary installations, in particular aerators; filters for sanitary installations, in particular filter nipples, filters and strainers, Check valve nipples, Vacuum breakers, by-pass valves for heating and sanitary installations, Swivel adaptors, ball- and socket joints, Diverters, water hammer arrestors for sanitary installations, noise absorbers for sanitary installations; Sanitary and plumbing fittings and parts, namely, metal adapters, swivel adaptors; diverters, couplers, check valves, flow controllers for showers, flow regulators; faucet aerators, shower hoses, and washers