The Eheim professionel 4 600 T is a powerful, state-of-the-art external filter specially developed for freshwater aquariums. As a thermofilter, it has an integrated heating element that provides a uniform and constant water temperature within the filter circuit, eliminating the need for a separate control heater in the tank. The Eheim professionel 4 600 T thus offers maximum functionality with minimum space requirements in the aquarium. Like all Eheim professionel 4 models, the 600 T impresses with its state-of-the-art filter technology, quiet operation and easy handling. Its square base shape provides a large filter volume and high stability. The easily accessible pre-filter under the pump head allows coarse dirt particles to be quickly removed without affecting biological filtration. Thanks to the integrated suction aid, filling the filter is straightforward, and high-quality ceramic axles and bearings ensure quiet, durable operation. Safety adapters with valve locks and large-are