High quality powerful plastic cooling fans. Increases the movement of air to reduce heat and moisture. There are 2 adjustable wind speeds, depending on the internal temperature, reduce the temperature of the water and go down until at 2-3 ° C. The silent motor system has been carefully adjusted to make the cooling fan 30% less noisy than before. The adjustable jaws can block the Wall of the cylinder whose thickness is 1.2 cm / 0.47 in, depending on the daily use of all the aquariums. Size: 6,5 x 10,5 cm/2,56 x 4,13 pouces.Tension : 110-240V
