Relaxo Thunder 12 inch 300 MM High Speed Fresh Air Metal Exhaust Fan. Made with top quality materials, craftsmanship and engineering, the Relaxo thunder Fan is designed to offer superior exhaust in any space you choose to install to keep your living space cooler and more comfortable year-round while reducing expensive cooling bills. This high rotational speed ensures effective air movement and ventilation in the industrial environment. The exhaust fan operates on a single-phase power supply. This is a standard power supply configuration for many industrial setups. As the name suggests, this exhaust fan is built to be heavy-duty, capable of withstanding demanding conditions in industrial environments. The color of the fan is mentioned as grey, which is a common color for industrial equipment and machinery. Industrial exhaust fans like this one play a crucial role in maintaining a comfortable and safe working environment by removing heat, humidity, and pollutants from the air. It is essential to ensure that the exhaust fan is appropriately sized and placed to maximize its efficiency in ventilating the industrial space.