Introducing the Donaldson primary air filter, meticulously crafted to meet the esteemed ISO 5011 standards. This filter, with dimensions of 3.93 inches in length, 2.00 inches inside diameter, and 2.95 inches outside diameter, embodies the trusted Donaldson brand, ensuring quality and adherence to industry standards. Designed specifically as a primary air filter, it fulfills its role effectively without making extravagant claims.