Rengu Aquarium Cooler Fan Wall Mounted Multifunctional Aquarium Cooling Fan for Fish Tank Durable Power Saving Fast Cooling Mute Mini USB Fish Tank Coldwind Chillers

【Fast Effective Cooling】Aquarium cooler fan's air outlet adopts 45 degree angle design, for the water cooling faster, the water can be cooled down quickly. Low voltage design, super power saving, ultra-low power, absolute power saving and high efficiency. 【Premium Material, Wall Mounted Design】Wall mounted fish tank cooling fan is made of premium ABS material, strong and durable, wear resistant, long service life. Fish tank chillers fan adopts external wall mount design, beautiful, small size, easy to install, not occupy the fish tank space. 【USB Connector Design】Fish tank chillers fan adopts USB connector design, with a switch at the bottom, you can adjust the fan speed according to your needs. The USB interface make it safer and convenient to use. Follow high safety standards to ensure the safety of the fan, and use safe insulating materials for wiring to prevent hidden dangers. 【Applicable】Aquarium chiller is powered by 2.5W, silent cooling fan. Suitable for fish tank under 30cm/11.8in. Temperature reduction, avoid excessive temperature in the aquarium, which may to poor condition and even death of water plants. A great choice for cooling fish tank temperature. 【After Sales Service】If you have any questions in the process of purchasing the product, please feel free to contact us. We will do our best to deal with it for you. At the same time, we will also provide you with a 180-day free return service.