NEUSPEED's P-Flo Dry filter is a high performance Non-oiled paper media. Notes: A disposable Filter that will not sacrifice performance. Comparable airflow to our Oiled Cotton Filters with the same Great Protection. Last for up to 30,000 miles of highway driving. Extend the life of the filter using compressed air to clean off excessive debris. Filter Dimensions: Flange ID 3" Filter Length 5", OAL 6.75" Diameter 5"-6" Cone