Package Included:1pc air cleanerHigh 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. Half sphere shape honeycomb structure， can distribute airflow evenly in the six direction， to form a smooth flow of air.Universal Cold Air Intake FilterColor: RedFilter Material: Cotton GauzeHeight: 23.5cmConnector inner diameter: 7.5cm (3")Please confirm the original car inlet diameter size first before buying.