The Uni Filter Air Pod 2-Stage UP-4229AST is a high-quality air intake accessory designed for ATV, Side-by-Side, and UTV vehicles. With a 2 1/4" ID and 4" HGT, this air filter is efficient in filtering out impurities and ensuring a smooth flow of air into the engine. Its red color adds a stylish touch to your vehicle. Manufactured by UNI, a trusted brand in the industry, this air filter is a reliable choice for maintaining optimal engine performance and filtration.