PTC Aquarium Submersible Heater with Stainless Steel Tube for salt water 25W to 300W

X-368 PTC Aquarium Submersible Heater with Stainless Steel Tube for salt water 25W to 300W

---Advanced semiconductor PTC thermistor resistance heating technology.
---Imported PTC heating sheet, with the temperature rising to automatically adjust heating sheet power;
---Automatic thermostat,temperature control is more precise.
---30% energy saving, safe, reliable, long service life