Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Apparatus for cooking, namely, cooktops; Ceiling fans; Electric broilers; Electric fryers; Electric toaster ovens; Gas cooktops; Heating and cooling apparatus for dispensing hot and cold beverages; Hot water heaters; Induction cookers; Refrigerating or freezing showcases; Sinks integrated into counters or countertops; Solar light fixtures, namely, indoor and outdoor solar powered lighting units and fixtures; Tap-water purifying apparatus; Water control valves for faucets; Water filters; Water purification units; Water treatment equipment, namely, water filtration units and reverse osmosis units