When you are looking to clean your Airaid filter you should use one of their filter tune-up kits. After being cleaned it will restore full airflow efficiency, and maintain optimum engine performance. This kits inlcudes an eight oz. squeeze bottle of oil and a 12 oz. bottle of cleaner. The cleaning solution is specifically designed to clean without damaging the gauze filter. The performance oil protects the filter against dirt without limiting airflow. Note: Due to the nature of this product it can only ship UPS Ground. Application:Universal for Airaid Filters