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 Inch (1.5 Millimeter) to fit in between sizes. K&N universal air filters are washable and reusable