- Unique triple-stage foam filter designed for the most extreme conditions
- Eliminates the need for power-robbing dust covers and outerwear covers
- Increased protection against silt, water and sand
- Allows for extended filter service intervals
- Can be cleaned, re-oiled, and reused like a two-stage filter
- Available in standard and pre-oiled
- Used by factory off-road teams around the world
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1991-1997 | Yamaha | WR250 | |
| 2001-2002 | Yamaha | WR250F | |
| 1998-2000 | Yamaha | WR400F | |
| 2001-2002 | Yamaha | WR426F | |
| 1989-2024 | Yamaha | YZ125 | |
| 2020-2024 | Yamaha | YZ125X | |
| 1989-2024 | Yamaha | YZ250 | |
| 2001-2013 | Yamaha | YZ250F | |
| 2016-2023 | Yamaha | YZ250X | |
| 1998-1999 | Yamaha | YZ400F | |
| 2000-2002 | Yamaha | YZ426F | |
| 2003-2009 | Yamaha | YZ450F | |