FOR AQUARIUMS FROM 25 Litres UP TO 50 Litres. Small Aquarium Heater 50W - Tanks upto 50 Litres - Eco run heater. AQUARIUM FISH TANK HEATER. 💦Energy efficient powerful aquarium heater. Our heaters don’t run continuously for hours on end hiking your electricitbill, they run in high power bursts to achieve a constant temperature in your aquarium with an accuracy of +\- 1 degree.
eBay