Introducing the Donaldson RadialSeal primary air filter, a reliable solution designed to excel in heavy-duty engine applications. Its high-efficiency cellulose media ensures top-notch filtration performance across a wide range of conditions. The corrosion-resistant, coated steel liners provide sturdy support to the media during operation, maximizing airflow efficiency. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and promoting a longer service life. This filter adheres to ISO 5011 standards, boasting precise measurements of 12.01 inches in length, 7.48 inches in inside diameter, and 13.86 inches in outside diameter.