Overview Tempest AeroGuard? induction air filters are approved on a variety of Cessna, Piper, Beechcraft and Mooney aircraft. They are manufactured using a black anodized aluminum housing and screen to prevent corrosion and fragmented media from being ingested. Designed to keep your induction system clean in the dirtiest environments, the synthetic media offers maximum airflow while still filtering out 99% of contaminants larger than 5 microns. These induction air filters will provide you with the high quality and durability you''ve come to expect with Tempest products.