Conical Air Filter, Synthetic, Rugged Ridge, For Cold Air Kit 17753.22, 89MM Flange, 270MM LengthConical Air Filter, Synthetic, Rugged Ridge, For Cold Air Kit 17753.22, 89MM Flange, 270MM Length Unlike other reusable air filters, our dry panel design never needs oiling, which keeps your mass airflow sensor from being damaged by excess oil! Our conical filters are a direct replacement for our cold air kit and can be used in other universal applications.