Preset Heater - 100W - Compact Size - For fresh or saltwater aquariums

• Preset to  78°F - no adjustment required
• Shatter-resistant construction
• Automatic Safety shut off and overheat protection
• LED indicator light displays red when actively heating
• Fully submersible

Aqueon Submersible Aquarium Heater, 100 Watts, Up to 40 Gallons