The product is a USED 25 HP Kaeser AS-31 rotary screw air compressor with 110 CFM and 125 PSI output. This electric-powered compressor is known for its durability and efficiency, making it a reliable choice for various industrial and commercial applications. The Kaeser brand is well-regarded for producing high-quality air compressors, and this model is no exception, offering a consistent and powerful performance for users needing a dependable source of compressed air.