The SuperFish Preset Mini Aquarium Heaters provide precise controlled heating for small aquariums. Available in 10w and 25w models measuring just 8cm, they fit seamlessly into compact tanks. Featuring a digital power and temperature display and a reliable thermostat, they maintain a consistent pre-set temperature of 26°C to ensure optimal aquatic conditions. The SuperFish Preset Mini Heaters feature low voltage operation and switch off automatically when removed from the water for enhanced safety. SuperFish Preset Mini Aquarium Heater Range Specs: SuperFish Preset Mini Aquarium Heater 10w (0-10L) SuperFish Preset Mini Aquarium Heater 25w (0-25L)