Diversa Thermoplus 50W aquarium heater For marine and freshwater aquariums Length: 14cm Power: 50W As a company with more than 30 years of experience, Diversa guarantees high product quality and safety. If you decide in favour of the Diversa heater, you will receive the following product: With integrated thermostat. Also suitable for nano aquariums due to its low height. Made of highly resistant glass. Maintains the exact temperature in the aquarium. Works completely under water For marine and freshwater aquariums. Adjustable in the range of 18 - 35 °C. Ensures safe use. Recommended for tanks with a capacity of approx. 50 litres.