The Aqueon Preset Aquarium Heater makes it easy to keep your aquarium at just the right temperature, all the time. This simple, convenient heater maintains the water temperature at a healthy 78°F - perfect for tropical fish - with no adjustment required.

• Preset to 78°F, no adjustment required
• Fully submersible with shatter-proof construction
• Maintains the perfect temperature for tropical fish
• For fresh and saltwater aquariums

The compact size makes these heaters ideal for a wide variety of aquarium shapes and sizes. They are fully submersible and made of durable, shatter-proof materials. An LED indicator light displays red when actively heating, and an automatic safety shut-off protects against damage from overheating.