Visitherm Automatic Aquarium Heater 50W Marine & Freshwater

The Visitherm is a completely submersible automatic aquarium heater.

It maintains the right temperature and gives superior performance, economy and security.

Specially engineered to withstand the ideal harsh environment of saltwater aquariums, it's features make Visitherm heaterstats ideal in freshwater as well.

Every component has been designed to give precise and efficient heating and to provide years of reliable service.