Discover the Donaldson RadialSeal primary air filter, a marvel of filtration technology. Its high-efficiency cellulose media excels in a wide array of heavy-duty engine applications, ensuring top-notch performance. Engineered with corrosion-resistant, coated steel liners, it not only supports the media during operation but also maximizes airflow for optimal efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media bunching and promoting a longer service life. With ISO 5011 standards and approval, this filter sets the benchmark for quality and reliability. Measuring at 16.85 inches in length, 6.78 inches inside diameter, and 13.09 inches outside diameter, it's tailored for excellence.