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 conical filters are a direct replacement for our cold air kit and can be used in other universal applications.. This reusable synthetic air filter from Rugged Ridge is designed as a replacement filter for cold air kit number 17750.22. 89mm flange and 270mm length