Eheim Aquarium Heating Rod Fish Tank Heater Electronic Thermostat E Series Suitable For Fresh Water E50 E100 E200 E300 E400 - Temperature Control Products - AliExpress
Eheim ThermoControl e Aquarium Heater - 100w - For up to 40 Gallons
EHEIM Thermocontrol e, Electronic aquarium heater (20-32°C) safety and reliability