Twin Air 154115 Dual-Stage Air Filter for KTM 85 / 125 / 250 / 350 / 450 / 500 M 2011 Polaris Sportsman 850 Forest 2003-16 Yamaha WR450F

2003-16 Yamaha WR450F

1994-97 Polaris Indy Super Sport 440

1983 Honda XR80

2004 KTM 300SX

Twin Air 154115 Dual-Stage Air Filter for KTM 85 / 125 / 250 / 350 / 450 / 500 M 2011 Polaris Sportsman 850 Forest 2003-16 Yamaha WR450FTwin Air Racing Dual Stage Air Filter Part Number: 154115 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 and fine