This 300 Watt Aquarium Heater is suitable for 40-60 gallon tanks and operates on a 110-120V voltage with a 4ft power cord. It features 2 strong suction cups, making it easy to install on glass, acrylic, and plastic tanks, and is great for both freshwater and saltwater aquariums.

The adjustable temperature feature allows you to easily set the desired temperature, ranging from 64°F to 93°F, by simply turning the knob on top of the heater. The included submersible thermometer provides the convenience of real-time temperature monitoring and adjustment.

Equipped with an intelligent temperature control system, this fish tank heater ensures automatic constant temperature maintenance. When the water temperature falls below the set value, the heater will start heating, and the indicator light will turn on. Once the water reaches the desired temperature, the heater will stop heating, and the indicator light will turn off, keeping the temperature consistently stable.

Constructed with 2mm thickened quartz glass material, the FREESEA submersible heaters are designed to be sturdy and durable, resisting breakage, corrosion, and abrasion. The high temperature-resistant nichrome wire ensures faster water heating and a longer service life.

Backed by a 12-month warranty and 24-hour professional after-sales service, these aquarium heaters are made with a focus on durability and safety. If you have any questions or concerns, the manufacturer is committed to providing a prompt and courteous refund or a new replacement.

In summary, this 300 Watt Aquarium Heater offers a range of features that make it an excellent choice for maintaining the ideal temperature in your 40-60 gallon tank, whether it's for freshwater or saltwater aquariums. With its adjustable temperature, automatic temperature control, and durable construction, you can trust this heater to keep your fish healthy and thriving.

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