Twin Air 150318 Dual-Stage Air Filter for Honda XR50 / CRF50 / XR70 / CRF70 2010 Ski-Doo Expedition 600 SDI SE 2001 Yamaha YZ 250 F

2001 Yamaha YZ 250 F

1990 Yamaha YZ250

2000 Polaris Indy 500 Classic Touring

2005 Suzuki LT-Z250 QuadSport Z

Twin Air 150318 Dual-Stage Air Filter for Honda XR50 / CRF50 / XR70 / CRF70 2010 Ski-Doo Expedition 600 SDI SE 2001 Yamaha YZ 250 FTwin Air Racing Dual Stage Replacement Air Filter Part Number: 150318 Fused dual layer design for a combined increase in performance and protection Revolutionary micro gluing process minimizes seams for added protection Washable and reusable up to 50 times without replacement New Round design boosts air flow Twin Air's breakthrough, fused dual layer design (now widely copied) for combined performance and protection. The fused layers of open pore foam