Brand new Twin Air air filter for Yamaha YZ450F (2018–2022) and YZ250F (2019–2022), never used and in perfect condition. Twin Air is known for industry-leading filtration and performance, with a dual-layer foam design that provides maximum airflow while keeping even the finest dust out of your engine. This filter is race-proven, durable, and ready to install—ideal for motocross, trail riding, or routine maintenance. Whether you’re replacing a worn filter or just want the best for your bike, this Twin Air filter ensures clean air and peak engine performance. Made in the Netherlands and built to last.