Uni NU-3216 Yamaha Vino 50 Air Filter Uni Air Filter for the 2001-2005 Yamaha Vino 50. Uni Filter street bike air filters are a direct factory replacement filter and are designed to fit perfectly into your stock air box. They provide unsurpassed airflow, dirt stopping and overall performance. Item Number: NU-3216 Washable & Reusable Made in U.S.A.