This Hagen Thermal Compact Submersible Aquarium Heater 100 w is the perfect solution for all your heating needs. It is designed to work in all water types and is made by the trusted brand Hagen. You can easily submerge this heater in your aquarium and it will provide you with a reliable and efficient heating source.

With its compact size, this heater is ideal for small to medium sized aquariums. It is also easy to install and comes with a 100 w power output. Whether you need to heat up your aquarium during the winter months or just want to keep your fish comfortable, this submersible heater is the perfect choice.