Eheim Jager 3611 TrueTemp Submersible Aquarium Heater - 9 Inch - 25 Watts - Up to 7 Gallons

EHEIM Jäger TruTemp Aquarium Heater 25W is a precision submersible heater for reliably maintaining the temperature in small aquariums (up to ~5–10 gallons). It features an adjustable thermostat with an easy-to-calibrate TruTemp dial that allows you to set the temperature precisely and even recalibrate if needed for accuracy. Constructed with heavy-duty, shock-resistant glass and high-quality components, this 25W heater provides even heating and long-lasting performance. It includes EHEIM’s Thermo-Safety control which automatically shuts off the heater when out of water, preventing overheating. Suction cups are provided for secure placement in the tank. With the trusted Jäger heater, your aquarium water stays at the stable temperature your fish need, and an indicator light lets you know when it’s heating. It’s fresh or saltwater compatible and designed with the quality that has made EHEIM heaters legendary in the hobby.