Replacement 2 stage air filter for the Honda CRF 300L(2021-22). This is the only foam air filter available for the CRF 300L. There is no better air filter available. Foam air filters are the best filtering air filter for dirt bikes. As well as filtering more dirt they also provide improved flow over the standard paper filter.
The inner main filter attaches to the air box similar to a rubber grommet. This provides a perfect seal between the air box and filter. The corrugated outer work stage attaches via two velcro tabs. The outer layer is easily removed for servicing.