467-78403 - Tetra GloFish Heater 50 watt

The Tetra GloFish submersible 50-Watt Preset Heater needs no adjustments. It automatically maintains water temperature at 78 degrees F. A red indicator light lets you know when the water is being heated. The indicator light turns green once optimal water temperature is reached. It's heat and shock resistant and is designed for use in aquariums up to 10 gallons.