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Feature

Preset to 78 degrees, appropriate for most tropical fish.
Fully submersible, shatter-resistant construction
Automatic safety shut-off avoids overheating and damage
LED indicator light displays when actively heating
1 year warranty
100 watt is recommended for 20 and 30 gallon aquariums

Description

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. Can be positioned at a horizontal or vertical angle in your tank.