The Hiflofiltro HFF1021 motorcycle air filter is a direct replacement for the original equipment filter and fits the factory airbox of the Honda CRF 150R, for model years 2007–2013. It is a two-stage filter made from specially designed dual-layer foam for filtration and airflow.
- Type: Motorcycle air filter
- Compatibility: Honda CRF 150R, 2007–2013
- Construction: Dual-layer foam
- Filtration stages: 2
- Fitment: Factory airbox
- Reusable: Yes