Two-speed wind control, according to the internal temperature, reduce the water temperature and drop to 2 ~ 3 °C Adjustable jaws can block the cylinder wall which thickness within 1, 2cm, meet the daily use of aquariums Large 12V safety cooling fans, with high safety standards and guarantee the safety of the fan Adjustable angle: adjustable fan width and bracket up to 100 °, practical and easy to install and move
