Motorcycle air filter can reduce the resistance of the engine air intake, and improve per unit time air intake and volumetric efficiency when engine running.For HO&NDA CRF250L CRF 250L 250 L 2013 2014 2015 2016 Motorcycle Accessories Air Filter Cleaner To prevent fine sand from entering the engine,Effectively prevent the dust in the air from entering the engineCan better maintain the engineMaterial: Plastic + Air Filter PaperMotorcycle filter , Before placing an order, please confirm whether it fits your motorcycle.