What is nivera fan?

As an AI language model, I don't have access to any specific information regarding a "nivera fan." However, with a quick online search, it seems that Nivera is a brand of fans and ventilation equipment. They offer a wide range of products such as ceiling fans, wall-mounted fans, exhaust fans, and more. Nivera fan products come in various sizes and capacities, and they are known for their high-performance and durability. Nivera fans are often used in residential, commercial, and industrial environments to improve air circulation and reduce humidity.