Presenting the Donaldson primary air filter, meticulously engineered for heavy-duty engine applications. Its high-efficiency cellulose media ensures exceptional performance without compromise. The filter's corrosion-resistant, coated steel liners provide crucial support during operation, maximizing airflow for enhanced efficiency. With the innovative Pleatloc feature, enjoy uniform pleat spacing that prevents media from bunching, ensuring a prolonged service life. This filter, meeting ISO 5011 standards, boasts precise measurements of 8.62 inches in length, 3.70 inches in inside diameter, and 7.09 inches in outside diameter.