Meet the Donaldson primary air filter, a testament to quality and precision engineering. Crafted with ISO 5011 standards in mind, this filter boasts exceptional performance. Its core features high-quality cellulose media, ensuring efficient filtration for heavy-duty applications. With a length of 19 inches, inside diameter of 9.48 inches, and outside diameter of 13.84 inches, it's designed to seamlessly integrate into your system.