UNI Filter multi-stage competition air filters to launch the performance air filter into the next century. The lifeblood of your air intake system is the air filter and a high-quality filter is guaranteed to breathe new life into your system. The unique two-stage design of these air filters leaves the outer layer dry for longer periods of power-producing airflow--or oil them for those times when the conditions are soggy. UNI Filter multi-stage competition air filters trap more dirt have a snug fit and afford longer rides with more power. 2-stage filtration increases performance and engine life Dual filters trap dirt keep motors running clean even under the most severe conditions Completely washable