Aqueon Pro Aquarium Heaters are built to deliver consistent heat. Each unit is made with a durable thermal plastic shatterproof housing and equipped with an electronic thermostat. The thermostat has an auto shut off safety feature, when the top of the heater tilts below the bottom of the heater, it will shut off. Additional features include adjustable heat settings and LED heating indicator that illuminates when actively heating. The suction cups make horizontal or vertical installation quick and easy. Pro Heaters are fully submersible and made for use in freshwater and saltwater aquariums. Available in five sizes to accommodate various aquarium sizes.

• Adjustable heat setting 68 to 88°F, Electronic Thermostat accurate to +/- 1°
• Shatterproof and nearly indestructible
• Fully submersible; Auto Shut-Off when over-heats, resets when it cools down
• LED light is red when heating
• Limited Lifetime warranty
• Recommended for aquariums up to 20 Gallons
• Includes suction cups for installation and placement
• LED illuminates when actively heating
• For freshwater or saltwater aquariums