12mm Carbon Car Oil Cold Air Intake Crank Case Vent Breather Filter Cleaner100% Brand New & High Quality!!!Specification:Material: Metal， Filter Paper， RubberColor: CarbonSize:Top diameter: 50mmHeight: 60mmConnector Inner Diameter: 12mmFeature:-Air induction effciency is improved drastically by curt. -High flow air filter can reduce the resistance of the engine air intake， and improve per unit time air intake and volumetric efficiency when engine running.-Easy and Simple Installation.Fitment:Universal fits for Vehicles with 12mm Air IntakesNOTE: Please make sure the Air Filter that fits your car before purchase!Package Content: 1 x 12mm Air Filter