Aqueon Preset Aquarium Heaters require no adjusting! The preset temperature has been calibrated to 78°, appropriate for most water turtles. It is fully submersible, constructed of shatter-resistant quartz glass and features an automatic safety shut-off to avoid overheating. The heaters include suction cups and can be placed vertically or horizontally within the aquarium. An LED indicator light displays red when actively heating.
- Preset to 78°, accurate to +/- 1°
- No adjustment required
- Shatter resistant
- Auto shut-off
- LED light turns on when aquarium water is being heated
- Ideal for aquariums up to 20 gallons