Plumbing fixtures, namely, shower mixers; Plumbing fixtures, namely, shower sprayers; Plumbing fixtures, namely, sink sprayers; Shower head sprayers; Shower heads; Showerheads and components thereof; Spray heads for showers; Tap water faucets; Taps being faucets; Taps for washstands; Toilet bowls; Toilet seats; UV toilet sterilizers for household purposes; Washers for water faucets; Washers for water taps; Water purification and filtration apparatus