300W Aquarium Heater, Fish Tank Heater, Submersible Heater For Fish Tank

Key features

• Durable and safe, with absolute protectionHigh‑performance metal heating wire wrapped by explosion‑proof quartz glass for reliable insulation & heat conduction. The outer protective cover blocks direct contact with fish to prevent scalds, delivering safe and even aquarium water heating.
• External Digital Display Temperature ControllerSeparate digital control unit allows easy temperature adjustment without getting your hands wet. Dual‑screen real‑time shows actual water temperature and set temperature, clearly read the status at a glance.
• Multiple Safety Protection MechanismsEquipped with water‑off power‑off function, overheat protection and memory function. Automatically cuts power when heater leaves water or overheats; retains your preferred temperature setting after power interruption for worry‑free use.
• US Standard Plug DesignDesigned for North American household power supply. Simple plug‑and‑play installation, suitable for most freshwater and saltwater aquariums. The protective shell features hollow flow‑through structure to improve heating efficiency.
• User‑Friendly OperationUp & down buttons on control panel for quick temperature setting. LED indicator lights show working status. Compact heater body saves aquarium interior space, ideal for fish & turtle tank heating.

This aquarium heater is a reliable water heating solution for fish and turtle tanks. It adopts durable metal heating wire covered with explosion‑proof quartz glass as inner heating element, paired with an external separate digital display control center for convenient temperature adjustment. The hollow protective outer casing keeps fish away from high‑temperature components to prevent scalding. It comes with complete safety features: water‑off power‑off cuts power supply once the heater is out of water; overheat protection prevents abnormal high‑temperature risks; memory function keeps your temperature setting after power failure, no need to reset manually. The dual‑screen digital controller displays real water temperature and target setting temperature simultaneously. Adjust your desired temperature easily via up‑down buttons. Built with US standard plug, it works for both freshwater and saltwater aquariums. Please fully submerge the heater in water before powering on.

Free shipping included. 30-day hassle-free returns.