Introducing the Donaldson BLUE primary air filter, engineered for superior performance and built to meet ISO 5011 standards. With an impressive 99.99% efficiency, it offers exceptional protection for high-dust applications, ensuring your equipment runs smoothly. Thanks to its innovative Ultra-Web Nanofiber media material, it excels at shedding dust during equipment vibration, providing a longer filter life and reducing the need for frequent changes. This filter is your dependable solution for extreme temperature and humidity conditions.