Unlike other reusable air filters, our dry panel design never needs oiling, which keeps your mass airflow sensor from being damaged by excess oil! Rugged Ridge performance high flow filters are made from a synthetic fabric and not cotton. Cotton filters 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
