Aquarium Heater 300W for 40–75 Gallon Tanks, Submersible Fish Tank Heater with External Digital Temperature Controller, Fast Heating, Overheat & Dry-Run Protection
POWERFUL 300W FAST HEATING – Heats 40–75 gallon aquariums quickly, maintaining stable water temperature for medium to large tanks with larger water volume.
EXTERNAL DIGITAL TEMPERATURE CONTROL – External LED controller allows precise temperature monitoring and easy adjustments without reaching into the tank.
BUILT-IN SAFETY PROTECTION – Overheat and dry-run protection automatically shuts off heater to prevent damage when water level is low.
FULLY SUBMERSIBLE DESIGN – Can be installed vertically or horizontally, fits neatly inside your tank, ideal for freshwater fish including betta and tropical species.
CONSISTENT EVEN HEAT DISTRIBUTION – Ensures uniform warmth across the tank, keeping your fish healthy and active while maintaining stable aquarium conditions.
