The BAOSHISHAN Aquarium Chiller is a high-quality water cooler that is perfect for hydroponic systems and aquariums. With a freon-free compressor and an inner pure titanium evaporator, this chiller provides excellent corrosion resistance and efficient heat exchange. The two built-in fans and a large number of heat dissipation holes on both sides of the machine provide powerful ventilation to dissipate compressor heat. The one-year warranty is provided by BAOSHISHAN, so you can be confident in the quality of this product.