The UltraFLOW Cabin Air Filter by Pentius has been designed to help eliminate the intake of dust, pollen and particulates into the passenger compartment of the vehicle, helping provide a continually clean air environment. Because the UltraFLOW Cabin Air Filter is designed with you in mind, changing to a new Pentius cabin air filter will help the vehicles interior air stay clean and fresh. Pentius cabin air filters provide unbeatable performance when it comes to removing impurities in the air. Pentius Cabin Air Filter should be changed every six months to ensure proper air flow volume and to help maintain a clean environment within your vehicle. Pentius cabin air filters meet or exceed original equipment (OEM) specifications and are manufactured in strict accordance with the ISO9001 quality management system. Pentius is currently offering the UltraFLOW Cabin Air Filter for a wide range of US and import vehicles. Their primary focus is to provide quality products that meet the requirements of todays high tech vehicles, at a very reasonable price. The UltraFLOW Cabin Air Filter is a direct replacement for the stock air filter.