Digital Aquarium Submersible Heater 500W for Fish Tanks
X-512 300W/500W available
---overtemperature protection;
---quartz explosion-proof;
---Off-water blackout protection;
---plastic protective sleeve.
MAIN FEATURES
1. Quartz explosion-proof tube;
2. auto heat off protection over 36ºC.
3. Temperature set from 20ºC to 34ºC, with a tolerance of less than ±1ºC.
4. Anit-collision plastic sleeve, with plastic knob to adjust the temperature.
5. 100% pure nickel heating wire, no rust.