Introducing the Donaldson primary air filter, meticulously crafted to elevate heavy-duty engine performance. Its high-efficiency cellulose media ensures effective filtration across a diverse range of applications. Supported by corrosion-resistant, coated steel liners, this filter maximizes airflow efficiency, ensuring optimal operation. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and promoting a longer service life. Certified to meet ISO 5011 standards, the Donaldson primary air filter ensures quality and reliability. With a length of 7.95 inches, an inside diameter of 2.81 inches, and an outside diameter of 5.24 inches, it's tailored for precision and efficiency.