Introducing the DuraLite primary air filter, engineered to excel even under the most demanding pulsation conditions, specifically tailored for two-and three-cylinder engines. Crafted with a focus on durability, the vibration-resistant media is securely housed in rugged ABS plastic, ensuring longevity and stability that surpasses other designs. Installation is a breeze, ensuring a hassle-free experience. When it comes to disposal, rest easy knowing it's completely disposable and can be included in your regular trash pick-up. Compliant with ISO 5011 standards, this 9-inch filter with a 6.5-inch outside diameter is built to meet and exceed your air filtration needs. It has a maximum air flow of 5.2 m3/min (184 cfm) and a final resistance of 7.99 Inch H2O at FPM.