The ECOGARD S5581 Oil Filter is engineered to provide exceptional engine protection for a wide range of vehicles, including select Audi, Volkswagen, and Volvo models. Designed to meet the demands of modern engines, this filter ensures optimal performance and longevity. Its synthetic blend media delivers 99% efficiency based on ISO 4548-12 at 25 microns, effectively capturing contaminants to maintain engine cleanliness. The filter's heavy-duty construction can withstand five times the normal oil pressure, ensuring durability and reliability under various operating conditions. Additionally, the molded silicone anti-drain back valve withstands extreme temperatures, preventing oil from draining back into the engine during shutdowns. This feature is particularly beneficial for vehicles with extended oil change intervals, as it helps maintain a consistent oil supply to critical engine components. The one-piece spiral wound, corrugated center tube provides maximum collapse strength, enhancing the filter's structural integrity. Designed for easy installation, the filter meets the requirements for maintaining new vehicle warranties, making it a reliable choice for both professional installers and vehicle owners seeking quality and performance.