Exterior wall mounted design with compact size for easy installation and no interior aquarium footprint. Key benefits - Space efficient and unobtrusive: small exterior unit keeps the tank area clear. - Fast cooling performance: strong airflow cools the aquarium by about 3 degrees Celsius, creating a more comfortable environment for fish. - Addresses high temperature issues: helps prevent water quality deterioration, reduces fish stress, supports oxygen availability and activity in warmer conditions. - Adjustable and energy efficient: two wind speed levels let you tailor cooling to your needs, promoting energy-saving operation. Specifications and performance - Function: exterior wall mounted cooling device for aquariums - Design: compact, exterior mounting - Cooling effect: approximately 3°C reduction in water temperature - Speed options: 2 adjustable wind speeds - Application: suited for maintaining stable conditions in warm room environments Use scenarios - Small freshwater aquarium in a sunny room: quickly lowers water temperature to reduce heat-related stress on fish. - Quarantine or hospital tanks in warm environments: helps maintain stable conditions for sensitive specimens. - Breeding or fry tanks: provides gentle, adjustable airflow to support healthy activity without destabilizing the environment. This unit focuses on reliable cooling, simple installation, and practical temperature management without adding complexity to your aquarium setup.