The EHEIM professionel 5e 600T Thermofilter is a high-end electronic external filter designed for freshwater aquariums, featuring wireless control, large filter volume, and an integrated heating element for full automation. It supports aquariums up to approximately 600 L, delivers a pump output of about 1,850 L/h, and includes a 210 W heater. The unit offers modes such as constant flow, bio and pulse, automatic air-removal, and maintenance notifications. Designed for serious aquarists seeking premium filtration with built-in thermal control.