Presenting the Donaldson RadialSeal primary air filter, an efficient solution tailored for high-dust applications. With up to 99.99% efficiency, it provides enhanced protection, reducing the frequency of changes and extending filter life. This filter excels in diverse environments, performing reliably even in extreme temperatures and humidity. The leak-resistant Radial Seal technology ensures a secure fit, even under heavy equipment vibration. Crafted with Ultra-Web Nanofiber media material, it ensures top-notch filtration. This 16.14-inch filter, with an inside diameter of 4.17 inches and an outside diameter of 8.19 inches, adheres to ISO 5011 standards.