Aqueon® Preset Heater 50 Watt 3.5 X 1.5 X 7 Inch
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.