Handheld shower heads; Shower head sprayers; Spray heads for showers; Shower heads; Shower stands; Shower faucet extensions; Tap water faucets; Shower bases; Showerheads and components thereof; Water filtration apparatus; Water softening apparatus and installations; Pressure regulators for water installations; Plumbing fittings, namely, valves; Flexible pipes being parts of shower plumbing installations