Aquael Platinum Heater 50W. For aquariums from 15 to 50 liters. Total length of the heater: 22.5 cm. The Platinum glass heaters feature a highly precise electronic thermostat. The temperature can be set between 20 °C and 33 °C and maintained with an accuracy of 0.5 °C or better. The Platinum Heater has a ceramic heating element and an LED temperature display. Thanks to its black color, the heaters in this model can remain unnoticed in an aquarium. Warranty: 2 years. Manufacturer: Aquael, Poland.