Ensure optimal water temperature for your aquatic friends with the Eheim Thermocontrol Jager 250w. Featuring precise temperature control and robust construction, this heater offers reliable performance and safety for all freshwater and marine setups. Its adjustable temperature range allows for customized settings, while the integrated thermostat maintains consistent warmth. Ideal for medium to large aquariums, this heater is a trusted choice for maintaining a healthy and stable environment.