Airaid Premium Air Filter is made with only the finest materials, guaranteeing superior filtration levels and improved performance! This premium filter is hand-crafted for the perfect combination between a durable construction and enhanced filtration, featuring multiple layers of cotton gauze. The filter body is made from hand-poured urethane to prevent cracking or shrinking, even in extreme temperatures.Airaid Premium Air Filters are completely washable and 100% reusable, so when your filter becomes dirty, you simply need to wash it with Airaid Filter Cleaners and it will be ready for use again. The filters will trap even the tiniest airborne contaminants and dirt particles which other cotton-gauze filters can’t, guaranteeing increased airflow and reducing air filter restrictions. Airaid Premium Air Filters are backed by Airaid’s Lifetime “No Hassle” Warranty.