Engine Vent Protection with Maximum Airflow
Keep your engine breathing clean with the UNI UP-121 Breather Filter and Outerwears Pre-Filter Kit (Part #: 20-1100-01). This combo provides maximum airflow while blocking dust, debris, and moisture, making it ideal for scooters, ATVs, mini bikes, and custom builds that demand reliability and performance.
The UNI UP-121 breather filter is constructed with high-flow foam to trap contaminants, while the Outerwears pre-filter adds an extra layer of protection with its water-repellent mesh—perfect for harsh riding conditions or high-dust environments.
