GLOFISH Preset Aquarium Heater, 50W

The GloFish preset heater automatically maintains water temperature at 78 (+/- 2) degrees Fahrenheit (25 degrees Celsius)

Features:

•  The red light shows when water is heating; green indicates that the heater is on standby.
• Just attach to an aquarium wall; the suction cup securely attaches the heater to the tank.
• Use this 50-watt heater for aquariums 2 to 10 gallons.