Betta Choice Mini Aquarium Heaters are suitable for warming the water in the smallest Nano aquariums. These fully submersible heaters are pre-set to heat the aquarium up to a maximum of 25c which is perfect for most tropical fish. Key Features: 1-year manufacturers guarantee. LED light to indicate when the heater is working. Built to an advanced design ensuring an even heat output and maintaining constant water temperature inside the aquarium. Suitable for all tropical aquariums and vivarium\’s. Double sealed for extra safety. Completely submersible. Voltage: AC 220-240v 50Hz Temperature Range: up to 25c Power: 30w Aquarium Size: 30L
