Aquatop Submersible Glass Aquarium Heater

Keep your aquarium at just the right temperature with the Aquatop Submersible Glass Aquarium Heater. Made of high-quality insulated glass， it’s the easy way to maintain the temperature your freshwater or marine aquariums need to keep your plants and critters healthy. The analog design makes it simple to use with just the turn of a knob to adjust the temperature to your needs， and it features a highly visible temperature setting to make monitoring the temperature easy， with no guesswork. Plus， it’s easy to set up with included suction cups， and is available from 50 to 300-watts for tanks of various sizes.