Aeroflow Panel Filters provide excellent filtration and combine durability with performance. Designed for perfect OEM fitment, these 4-layer cotton gauze filters are for the street car and are designed to increase performance. With a simple drop-in application, it is easy to replace your dirty/restrictive/worn filter with a re-usable filter that you will never need to change again hence saving you money and protecting the environment. Try one today and experience the Aeroflow difference!