Introducing the Donaldson primary air filter, a precision-engineered solution for heavy-duty engine applications. Its high-efficiency cellulose media ensures reliable performance across a diverse range of scenarios. The corrosion-resistant, coated steel liners play a vital role in providing sturdy support to the media during operation, optimizing airflow for enhanced efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and ultimately promoting a longer service life. Compliant with ISO 5011 standards and bearing the trusted Donaldson brand, you can rely on the quality and dependability of this filter. Measuring at 19.13 inches in length, 5.2 inches in inside diameter, and 9.53 inches in outside diameter, it's precisely engineered to meet the demands of heavy-duty engines.