Aqueon - Preset Heater

Safe, reliable and easy to use! The Aqueon Preset Heater has been pre-calibrated to an accurate 78° Fahrenheit (the most common temperature for aquarium fish) and require no manual adjustments; just plug and play! Appropriate for most tropical fish, these fully submersible heaters feature a shatter-resistant quartz glass body for added durability and peace of mind. A bright red LED light indicates whether the heater is active, and an automatic shut-off feature works to prevent overheating. The 100 watt model is ideal for both freshwater and saltwater aquariums up to 30 gallons in size. 3.5" x 1.5" x 7.75"