50 W. CASCADE 7 IN. SUBMERSIBLE HEATER - UP TO 10 GAL.

The Penn-Plax Cascade Heat Aquarium Heater accurately maintains the desired temperature in your tank within 1 degree of accuracy. This heater can be manually set to any temperature however, comes preset to 76 degrees making them ready to use for most aquatic environments. Fully submersible, this heater can be placed horizontally or vertically in your fish tank. Made with superior insulation, this heater provides excellent heat distribution over the entire element. The heavy-duty shock-resistant glass gives this heater a long life and makes them safe for your aquatic pets.