Aqueon Preset Heaters
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Aqueon Preset Heaters require no adjusting! The preset temperature has been calibrated to 78°, appropriate for most tropical fish. The fully submersible heaters are constructed of shatter-resistant quartz glass and features an automatic safety shut-off to avoid overheating. 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