The Hydor InLine 300W aquarium heater connects to flexible hose coming from an external pump or filter.
- 5/8" Connection
- Completely safe. No danger of damage if the equipment is left running without water for a short period of time
- Patented heating element made with the exclusive PTC system. The traditional metal resistor coils have been replaced by a special polymer sheet, silk-screened with heating ink
- Setting of temperature controlled by an electronic circuit with indicator light
- Temperature range: 64-92 degrees Fahrenheit
