fishkeeper Aquarium Chiller Fan - 3600 r /m Powerful Wind Quiet Fish Tank Cooling Fan, 5 Speeds, 3 Timer Modes, 180 Wide Angle Adjustable Aquarium Cooler with Smart Controller (4W, 1 Head)

Features

• Powerful and Rapid Cooling Our aquarium cooling fan is boosted by 7 high-speed blades spinning at 3600 RPM, quickly lowers tank temperatures by 2-4 (3.6-7.2), allowing your aquatic pets to relax and cool while maintaining optimal oxygen levels during scorching weather.
• 5 Fan Speeds Control Engineered with waterproof external controller, 5 wind speeds allow you to easily and flexibly adjust the fan air volume - from gentle summer breezes to robust heat wave defense, to meet different needs of various aquatic pets in seasons and temperatures.
• Intelligent Timer Cooling Different from others, you can schedule the running time of this fish tank cooler with 3 modes. 24/7 Cooling for heatwaves; Single-session Timer Cooling: automatically shuts off after 0.5-12 hours of operation (in this mode, the fan will NOT restart work next day); Daily Smart Auto-Cycle: that remembers your preferences and auto-restarts - no daily programming needed. Perfect for vacation care
• 180 Precision Airflow Positioning The fish tank chiller fan head can be adjusted at a wide angle of 180 degrees in wind direction, helping to direct comfortable airflow precisely where needed. 12V safety voltage standard operation, energy saving, safe and easy installation.
• Fits Various Types of Tanks Suitable for all frameless freshwater and saltwater tanks with glass thickness less than 0.59 inches (1.5cm). 1 Fan recommended for tanks30cm; 3 Fans recommended for tanks60cm; 4 Fans recommended for tanks80cm.