Universal Clamp-On Air Filter 2.25" Flange ID

The K&N RU-1900 is a universal clamp-on air filter engineered for diverse applications, ranging from racing vehicles and generators to snowmobiles and tractors. This air filter is constructed with K&N's signature cotton gauze material, ensuring high airflow for improved performance and excellent filtration capabilities. The filter features a pliable rubber flange designed for secure attachment, capable of absorbing vibration and stretching up to 1/16 of an inch to accommodate slight size variations. Its specifications include a 2.25-inch flange inside diameter, a 3.5-inch outside diameter, and a 2-inch height, with a 0-degree flange angle. Designed for longevity and convenience, the K&N RU-1900 is washable and reusable, offering a sustainable and cost-effective solution for air intake filtration. K&N states that their filters can help increase horsepower and acceleration.