Features: Experience rapid and efficient heating with our External Aquariums Heater, designs to maintain stable water temperatures for a comfortable fishtanks environment, ensuring the health of your fish. Featured external designs for easy installation and maintenance, this heater is use corrosion resistant plastic materials, offering water proof performances and longlasting durability. Great for tropical fish enthusiasts and Aquariums operators searching reliable heating solution, as well as home Aquariums keeper focused on enhancing their pet living condition. Perfect for home aquariums to ensure great water temperature, professional aquariums as part of commercial display, and fish breeding fishtanks to support successful reproduction. With its compact and aesthetically structure, this heater optimizes space utilization and various Aquariums styles, enhancing the overall visual lookings. Specifications: Product Dimension: As pictures shown Type Option: US Standard(300W)/EU Standard(300W)/US Standard(500W)/EU Standard(500W) Component: ABS Package Includes: 1PC Aquariums Heater note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.