Discover Donaldson's primary air filter, engineered to deliver high-efficiency filtration for a diverse range of heavy-duty engine applications. Its cellulose media ensures top-notch performance, while corrosion-resistant, coated steel liners provide sturdy support during operation, optimizing airflow. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and extending its service life. This filter adheres to ISO 5011 standards and boasts dimensions of 12.91 inches in length, 3.46 inches in inside diameter, and 6.1 inches in outside diameter, making it a reliable choice for superior air filtration.