Aquarium filters; Aquarium filtration apparatus; Aquarium heaters; Aquarium lights; Diving lights; Filters made of fiber for water filtration; Oxygen generator for processing water by increasing oxygen content in the water; Water filtering units for aquariums; Water filtration and purification units and replacement cartridges and filters therefor; Water purification and filtration apparatus

Aquarium filters; Aquarium filtration apparatus; Aquarium heaters; Aquarium lights; Diving lights; Filters made of fiber for water filtration; Oxygen generator for processing water by increasing oxygen content in the water; Water filtering units for aquariums; Water filtration and purification units and replacement cartridges and filters therefor; Water purification and filtration apparatus