Whirlpools; Steam valves; Temperature-controlled food and beverage dispensers, and components thereof; Thermostatic valves; Tub spouts; Turbine ventilators; Valves as part of radiators; Valves for air conditioners; Ventilating exhaust fans; Ventilation fan accessories, namely, grilles; Washers for water faucets; Water-saving aerators for faucets; Water faucet spout; Water treatment equipment, namely, cartridge filtration units