Aqueon Submersible Mini Flat Heater Up to 3 Gallon Aquariums, 7.5 Watts

Aquatic 7.5 Watt Flat Heaters provide warmth for small tropical fish and are designed for glass or acrylic desktop aquariums of up to 3 gallons. They are completely submersible, easy to install, and efficiently warm aquarium water. Suction cups are included so you can mount the heater to the bottom or side wall of the aquarium. Be sure to choose the appropriate size for your aquarium. Do not operate or leave the product plugged in when it is outside of water.

Fully submersible
Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
Quick and easy installation
Shatterproof construction
Can be used with glass or acrylic enclosures
Note: Do NOT operate or leave product plugged in when it is outside of water
Warms aquarium water up to 6°F above ambient room temperature
Ideal for desktop aquariums up to 3 gallons