Aquarium Heater 50 W, Submersible Glass Heater Adjustable Temperature Aquarium Heater with Suction Cup Built-in Thermometer External Temperature Regulator for Aquarium 20L-60L

[Heater - Aquarium]: Size: Φ25x250mm, 50W for 20L - 60L (fresh water and sea water) Aquarium with European plug, power cord 0.9 m.

[Adjustable temperature]: Adjustable from 68℉ to 93℉ (20°C to 34°C). The optimum temperature for most fish is between 25°C and 27°C.

[High-quality material]: This aquarium heater consists of waterproof parts and 2 mm thick quartz glass, 33% thicker than normal aquarium heater, more durable and safer.

[Note]: Comes with 2 suction cups for easy installation. The aquarium heating rod has a sturdy protective cover that effectively prevents fish or turtles from hitting and touching. Please note that this protective cover cannot be removed.