The K&N E-4961 Air Filter is an oil-free, synthetic direct replacement filter for select Caterpillar, Yazoo, Yanmar, Woods, Volvo, Vermeer, Toro, Thomas, John Deere models and more. It can be used in hundreds of applications. This air filter is intended specifically for small engine and light industrial applications. K&N air filters provide high air flow while maintaining excellent filtration. The reduced restriction allows your engine to breathe more efficiently. K&N air filters are washable and reusable. Cleaning is easy with K&N synthetic filter cleaner. See the applications list for the full range of equipment this filter fits.