Uni Filter Multi-Stage Competition Air Filter Arctic Cat Alterra 500 / 550 / 570 / 700 / Tbx700 The 2-stage filtration system significantly enhances engine performance and longevity. Its dual filters diligently trap dirt, maintaining the cleanliness of engines even in the most adverse conditions. Features: Completely washable Note: Image is for reference only. Item will vary depending on make and model of vehicle.