Elevate your filtration system with the Donaldson primary air filter, designed to meet the exacting ISO 5011 standards. Crafted with precision, this filter incorporates Ultra-Web Nanofiber media material to achieve an impressive 99.99% efficiency, ensuring top-tier protection in high-dust applications. Its unique design allows it to efficiently shed dust during equipment vibration, leading to an extended filter life and fewer replacements. With a length of 10.98 inches, inside diameter of 3.23 inches, and outside diameter of 5.24 inches, it provides a good fit for seamless integration into your system.