The Lifegard Aquatics 50 Watt Pre-Set Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks from 10 to 20 gallons.

Features:

• Set to 78 F. NOT adjustable.
• Length: 5.5". 6 ft cord.
• 50 Watts. For aquariums from 10 to 20 gallons (assuming the temp needs be adjusted no more than 10 degrees)
• UL Listed
• Quartz glass tube
• LED power light (red in heating mode, green when temp achieved & yellow when outside of water)
• Thermal protection. The heater will automatically shut off if outside of water.
• Rubber suction cup holders included
• Manufacturer part# R800109