1High quality material, durable in use, easy to install and convenient to use 2It has the advantages of big wind, low noise, dissipating heat fast and cooling easily 3Generally, the temperature of fish tank can be reduced by 35 degrees after using the fan 4There is a safety protecting net to avoid damage and hurt caused by improper use 5Equipped with fan holder which can change the angle of the wind and it is suitable for aquarium and fish tank use