The Eheim ThermoControl e250 is a 250 watt aquarium heater with an adjustable temperature setting. It suits freshwater and saltwater tanks from 106 to 158 gallons and has a glass jacket that adds heating surface.
Power: 250 watts
Rated for aquariums from 106 to 158 gallons
Adjustable from 20 to 32 degrees C
Durable, impact-resistant construction
Freshwater and saltwater use
Black
Use a separate thermometer to check tank temperature, and unplug the heater before any maintenance.