This Tripp Lite SRFANWM Exhaust Fan is a top-of-the-line product that is perfect for your HVAC and Refrigeration needs. With its powerful and efficient performance, this fan is sure to keep your space cool and comfortable without using too much energy. It is designed to be easy to install and use, making it a great addition to any business or industrial setting.The brand of this fan is Tripp Lite, a trusted name in the industry that is known for producing high-quality HVAC and Refrigeration equipment. It is classified as an exhaust fan and is perfect for use in various settings, including homes, offices, and warehouses. This fan is also ideal for use with a range of HVAC and Refrigeration systems, making it a versatile and practical choice for anyone in need of a reliable and efficient exhaust fan.