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 a Product Features:Made of Synthetic FabricNo Oil Required to Reduce Air FlowImproved Engine PerformancePrevents Damage To Airflow SensorEasily Cleaned w/ Water Instead of Degreaser