Vance & Hines VO2 Radiant III Air Cleaner For Harley This VO2 Radiant III air cleaner by Vance & Hines is about as barely there as it gets, exposing as much of of the high capacity air filter element as possible. While it may look minimal, its still made in the USA to the exacting standards Vance & Hines is known for. Hidden inside is their proprietary patent pending Force Velocity Stack, opening the door to maximizing the performance of your bike. Features: Laser-Cut Cover with Vance & Hines Logo High Capacity Washable Air Filter Element Patent Pending Force Velocity Stack