Keep your fish stress-free and active with this automatic aquarium heater. It helps in regulating the body temperature of your aquatic friends by keeping the aquarium constantly warm. Made with quartz glass material, the tube is safe, temperature resistant and explosion proof. Its high-quality wire with an in-built temperature regulator ensures accurate readings and safety. What's more, the heating rod comes with double-layer waterproof protection to make it fully submersible in your aquarium. The automatic submersible aquarium heater comes with a simple user manual for easy installation. It also has suction cups that provide maximum support when attaching to your fish tank. You don’t have to worry about your pets' safety in case of temperature variations as its thermostat automatically switches off to regulate heat. The heater saves energy you can choose your preferred watts and size ranging from 25W-500W.