AquaEl Ultra Aquarium Heater 25 watt

The AquaEl 25W Ultra Aquarium Heater is appropriate for aquariums from 3 to 7 gallons. They are the only heaters on the market with solid state thermostats. This means they have no moving parts that can break and cause a calamitous aquarium failure due to the heater not turning off.The thermostat operates with an exceptional precision (+/- 0.25° C) to maintain a constant temperature in the tank. The other heaters on the market have normal temperature swings of a couple degrees. The constant temperature ensures that even the most sensitive of aquarium animals will stay comfortable at all times.Features: 25 Watts 6.42 inches long For tanks from 3 to 7 gallons Suitable for fresh and saltwater use Suction cups included Temperature range 68 to 94 F. Solid state thermostat. Near constant temperature Virtually unbreakable Built-in overheat protection Also displays the current water temperature