Eheim Thermocontrol Heaters are made with modern technology and the latest features. The thermo-safety (auto shut off) makes sure your aquarium is always kept at the correct temperature. The glass jacket increases the heating surface, condenses the heat ensuring optimum even heat emission and forms a heat shield that will not harm your fish when they touch it.

• Precise Temperature Regulation
• Automatic Dry Run Shut-Off (Thermo Safety Control)
• Heat Kept at a Constant Level
• Completely Submersible and Watertight
• Extra Long Cable 6'7

Specifications:
250 Watt: Up to 160 Gallons (17.4" High)