Product Features: <br>1. 110V-120V/60HZ 6-foot power cord, <br>2. Fully submersible. <br>3. Universal heater for marine, freshwater or tropical aquariums <br><br>Available In: <br>Length - 9.5" 15-20 Gallons, 100 Watts <br>Length - 9.5" 20-40 Gallons, 150 Watts <br>Length - 11" 30-40 Gallons, 200 Watts <br>Length - 11" 30-55 Gallons, 300 Watts <br><br>Submersible Aquarium Heaters are made from thermal shatter-resistant quartz glass and were designed to absorb impacts, making them extremely durable.<br> Can be positioned at a vertical or horizontal angle. Can be used in fresh or saltwater fish tanks. 6-Foot power cord.