Oase Heatup 300w have a built in thermostat and are fully submersible.
This Heater is recommended for the Filtosmart thermo 300 and the Biomaster thermo 600 but also can be used in aquariums.
The Heater can be adjusted between 18 and 32 degrees Celsius and has an led light indicator to show when the heater is working.
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Quick Facts
Led power indicator
Adjustable temperature
300 Watts
For freshwater or Marine



