Aqueon Preset Aquarium Heater

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.