Introducing the DuraLite primary air filter, meticulously crafted to excel even under the most demanding conditions, especially in two-and three-cylinder engines. Its vibration-resistant media, securely housed in rugged ABS plastic, ensures longevity that surpasses other designs. Installation is a breeze, and its unmatched durability and reliability set it apart. Plus, it's completely disposable, fitting seamlessly into your regular trash disposal routine. Rest easy knowing it meets ISO 5011 standards, a testament to its top-tier quality. With a compact 7-inch length and an outside diameter of 4.5 inches, it seamlessly integrates into a variety of air cleaning systems. Experience a maximum air flow of 3 m3/min (106 cfm) and a final resistance at FPM of 7.99 Inch H2O.