E-4964Washable and reusable air filterDesigned for industrial applicationsHigh air flow with excellent filtrationEase of maintenanceLifetime Limited WarrantyThe K&N E-4964 replacement air filter is constructed using an oil-free synthetic media for superior filtration. This air filter can be washed and reused. The E-4964 is easy to install and is custom designed to fit right into the factory air box of some Worthington and Kohler engines, as well as other applications.