Ride in the desert often? This filter is for you! Built with a dual-stage foam with smaller pores, No-Toil's Extreme Air Filters are made to stand up against the dustiest of conditions. No-Toil Air Filters are built with the highest quality materials to ensure that they are long lasting. Made with the finest dual-stage, flame-laminated foam to effectively stop dirt, and a high strength glue. These filters come with a one year warranty.