Fish Tank Coolers, Adjustable Aquarium Water Cooling Fan, Fish Tank Cold Wind Cooling Fan, 2 Levels for Salt/Fresh Water (3

With plastic protective frame, durable and practical. Low power consumption, low noise, large air outlet, quickly dissipate the heat of the aquarium. Adjustable fan base, change the direction of air flow, add oxygen to the water. These fans can be used alone or in conjunction with an automatic temperature controller. This is a cooling fan for freshwater and saltwater aquariums. The wind is strong. You have two types of wind intensity to choose from. It reduces the heat transfer of aquarium equipment. It is quieter and more flexible than ordinary fans.