The product is a K&N style motorcycle air filter designed for Yamaha models such as FJ600, FZR400, FZX700, XJ600, and XJ650. Made by N-Style, the filter is manufactured in China and has a 52mm diameter. It offers a high-quality solution for efficiently filtering out impurities and ensuring a steady supply of clean air for the engine, enhancing the overall performance of the motorcycle. Ideal for riders looking to improve the air intake system of their Yamaha bike, this air filter is a reliable and durable option for optimal engine maintenance and efficiency.