The AFE 90-50000 Gold Pro Guard 7 Filter Cleaning Restore Kit is the perfect way to keep your AFE Pro-Guard 7 (Gold) filter clean and performing at its best. This kit includes an aerosol gold filter oil and a spray bottle filter cleaner, so you can easily and effectively clean your filter every 20-30,000 miles. With this easy-to-use kit, you'll be able to extend the life of your filter and ensure that it continues to work as efficiently as possible.