- Fishkeeper Aquarium Fan 3FAN-12W, ideal for aquariums up to 60 cm - Provides efficient cooling, reducing water temperature by 2 to 4 °C - Equipped with five adjustable air speeds for precise control - Features smart timer with daily cycle, one-day timer, and all-weather modes - Timing options: 0.5H, 1H, 2H, 4H, and 12H, or continuous operation - Quiet operation, suitable for both freshwater and saltwater aquariums - Easy and quick installation, compatible with glass aquariums up to 15 mm thick - 180° adjustable fan head for maximum flexibility in air direction - Helps maintain stable aquarium temperature, promoting the well-being of fish and plants - Compact and efficient design, suitable for different seasons and types of aquatic organisms