Showerheads and components thereof; Shower heads; Faucet filters; Water filters; Faucets; Water purification and filtration apparatus; Water purifying apparatus and machines; Swimming pool water cleaning and filtering units; Swimming pool filters; Water softening apparatus and installations; Water softening units; Sinks; Toilets; Shower and bath cubicles; Baths, bathtubs, whirlpool baths and bath installations