Marina Betta Submersible Heater, 8 Watt - Ideal for Aquariums up to 1.5 Gallons

Marina betta heater is an automatic submersible heater that creates ideal. 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. I t comes with a suction cup so you can easily install it against the aquarium window.