Tap water faucets; Taps for pipes and pipelines being parts of sanitary installations; Anti-splash tap nozzles; Cocks for pipes and pipelines being parts of sanitary installations; Faucet sprayers; Faucets for pipes and pipelines being parts of sanitary installations; Mixer taps for water pipes; Mixer faucets for water pipes; Washers for water taps; Washing machine water treatment device connected to the cold water inlet to eliminate need for detergent