Aqueon Mini Flat Heater for 1-2.5 gallon aquariums, 5 Watts

This heater is perfect for small tropical fish living in glass or acrylic desktop aquariums that are between 1 and 10 gallons. No need to worry about complicated installation - this little guy is fully submersible and comes with suction cups that allow for vertical or horizontal placement on the bottom or side wall of your aquarium. And don't let its size fool you - with 5 watts of power, this heater efficiently warms up your aquarium water. - Ideal for glass or acrylic desktop aquariums up to 2.5 gallons - Quick and easy installation, so you can spend more time admiring your fishies - Shatterproof construction means it's tough enough to withstand any accidental bumps or scrapes