Donaldson presents its meticulously crafted primary air filter, designed to meet ISO 5011 standards, ensuring top-tier quality and performance. With a length of 2.71 inches, an inside diameter of 4.33 inches, and an outside diameter of 7.36 inches, this filter is precisely engineered to deliver exceptional results. Crafted to elevate the efficiency of your equipment, it is a reliable choice for heavy-duty applications.