11 Lighting, heating and aerating apparatus to be used in indoor aquaria, terraria and garden ponds, namely, aquarium lights, terrarium lights and lights to be used in garden ponds, water heaters to be used in indoor aquaria, terraria and garden ponds, electric heaters to be used in terraria, water treatment units for aerating and circulating water in indoor aquaria, terraria and garden ponds; automatic temperature regulators to be used in indoor aquaria, terraria and garden ponds; air filters, water filters to be used in indoor aquaria, terraria and garden ponds; heating apparatus with integrated thermostats for use in indoor aquaria and terraria, namely, water heaters with integrated thermostats to be used in indoor aquaria, terraria and garden ponds, electric heaters to be used in terraria; electrical water filters and systems composed thereof and of water filters, water filter cartridges, water filter pads and water pumps for use in indoor aquaria, terraria and garden ponds; UV light bulbs for use in indoor aquaria, terraria and garden ponds; string lights for use in garden ponds; water filter and systems composed thereof and of water filters, water filter cartridges, water filter pads and water pumps for use in indoor aquaria, garden ponds and terraria; fountain filtration sets comprised of water filters, water filter cartridges, water pumps; filter pads in the nature of replacement pads for water filters for use in water filters in indoor aquaria, terraria and garden ponds; artificial and ornamental waterfalls and water fountains; aquaria filters made of celluloid