K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5 mm) to fit in-between sizes. K&N universal air filters are washable and reusable. Designed to increase horsepower and acceleration. Hundreds of sizes and shapes for most applications. High airflow with excellent filtration. Clamp-on washable and reusable air filter. Malleable flanges. One year limited warranty. Detailed Specifications: