Unleash the power of your engine with the Donaldson primary air filter. Crafted with precision and backed by the trusted Donaldson brand, this filter is designed to excel in heavy-duty engine applications. Its high-efficiency cellulose media ensures superior performance, while the corrosion-resistant, coated steel liners provide reliable support, maximizing airflow for optimal operation. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and extending the filter's service life. With dimensions of 21.00 inches in length, 7.72 inches inside diameter, and 12.09 inches outside diameter, this filter is tailored to fit a variety of systems, making it an essential component for any discerning user.