Twin Air 151336 Dual-Stage Air Filter for 2003 Kawasaki KLX400R 2006 Polaris Sportsman 500 4x4 2009 Yamaha YZ250

2009 Yamaha YZ250

2012 Yamaha YXR700F Rhino 700 FI

1971-75 Arctic Cat T1A440F2

1982 Suzuki GS450G/E models

Twin Air 151336 Dual-Stage Air Filter for 2003 Kawasaki KLX400R 2006 Polaris Sportsman 500 4x4 2009 Yamaha YZ250Part Number: 151336 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 inner foam trap even the smallest