Showerheads and components thereof; Shower head sprayers; Shower tubs; Bathtubs; Solar collectors for heating; Hot water heaters; Decorative water fountains; Faucet sprayers; Tap water faucets; Automatic faucets; Washers for water faucets; Showers; Toilet bowls; Sprinkler heads for irrigation sprinklers; Water purification units; Taps for washstands; Air purifying apparatus and machines; Plumbing fittings, namely, valves; Plumbing fittings, namely, couplers; Plumbing fittings, namely, faucet ...