Submersible aquarium heaters are UL listed for safety and are perfect for freshwater or marine tanks. The shatter-resistant quartz tube has been laboratory tested with proven performance. Can be mounted vertically or horizontally.
IMPORTANT- ALWAYS unplug heater and wait 15 minutes before removing from the aquarium water.
Manufacture's Satisfaction Guarantee:
Two-year warranty. If you are not completely satisfied with this product return to your local store in its original packaging with receipt for a replacement or full refund.