Key features

• •✦【POWERFUL AND EFFICIENT COOLING】 This cooling fan for aquarium features 7 blades that provide powerful wind fast at up to 3,600 rpm, easily cool fish tank temperature from 2℃ to 4℃, allow aquatic pets to stay relaxed and cool throughout sweltering summer.
• •✦【5 FAN SPEEDS AVAILABLE】 fishkeeper aquarium chiller fan with external controller is designed with 5 different wind speeds, so you can easily & flexibly set the fan air volume to meet the different needs of various aquatic pets in seasons and temperatures.
• •✦【CUSTOMIZABLE TIMER COOLING】 Different from others, you can customize the running time of this auto aquarium chiller with 3 modes. ➊ Continuous Working Mode; ➋ Single Timer Mode: Automatically turn off after working for 0.5/1/2/4/12 hours, in this mode, the fan will NOT restart work next day; ➌ Every Day Automatic Timer Mode: Automatically turn off after working for 0.5/1/2/4/12 hours and restart work at the same setting time every day.
• •✦【180° ADJUSTABLE ANGLE】 The fish tank fan cooler 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 TANKS】 Suitable for all frameless freshwater and saltwater tanks with glass thickness less than 0.59 inches (1.5cm). 1 Fan recommended for tanks＜30cm; 3 Fans recommended for tanks＜60cm; 4 Fans recommended for tanks＜80cm.