Hagen Marina Betta Submersible Heater 8 Watt

Marina Betta Heater is an automatic, submersible heater that creates ideal water conditions for bettas to thrive in. The exterior is made of durable polymer, which is more resilient than traditional glass sleeve heaters. The heater is designed to reach and maintain a set temperature—no manual adjustments required. It has a red indicator light that illuminates when the heater is working. It comes with a suction cup, so you can easily install it against the aquarium window. For aquariums up to 5 litres (1.5 US Gal).Key Features :  Automatic, submersible aquarium heater   Creates ideal conditions for bettas to thrive in   Made of durable polymer, tougher than glass   Automatically reaches set temperature   Easy to install using suction cups   For aquariums up to 5 litres (1.5 US Gal)   8 Watts