Cold Air Inductions Inc. CF-8438 High Performance Air Filter Lifetime use washable air filter (only to be recharged with a Cold Air Inductions Inc. recharge kit) Pre-oiled from the factory and ready for immediate installation Engineered smooth bore tube stop and radiused velocity stack to reduce turbulence and increase airflow 8 Layers of interwoven cotton gauze filter media, capable of trapping down to 5 microns for superior filtration Direct filter replacement for Cold Air Inductions Inc. cold air intake kit part #'s: 512-1059-08, 512-1059-08-B