Dehumidifiers; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air filtering installations; Air humidifying apparatus; Air purifying apparatus and machines; Aquarium filtration apparatus; Beverage-cooling apparatus; Cooling installations for water; Electric air deodorizing apparatus; Electric air sanitizing unit; Electric apparatus for making coffee; Filters and filtering devices for air and gas conditioning; Heating and cooling apparatus for dispensing hot and cold beverages; Microbubble generators for baths; Plumbing fixtures, namely, shower sprayers; Thermoelectric cooler/heater for food and beverages; Waste water purification apparatus, installations and tanks; Water filtration and purification units and replacement cartridges and filters therefor; Water filtration apparatus; Water softening apparatus and installations