The Aquarium Systems Stealth Submersible Heater combines advanced sleek, inconspicuous streamlined design with water-calibrated VisiTherm accuracy and performance assurance. It delivers the ultimate in easy-set adjustability, shatterproof durability and efficient overheat-protected operation. Start up is easy--just set it, install it and plug it in. Shuts off automatically when out of water; restarts automatically when in water. Good for freshwater or saltwater aquariums.
Size: 8 1/4" long, 50 Watts (For aquariums up to 15 gallons)