Twin Air 150501 Racing Air Filter for 1981-82 Honda XR500 2015 Yamaha TT-R50 1984 Honda XL600R

1984 Honda XL600R

2006 Yamaha YXR450F Rhino

1997 Arctic-Cat ZL 440

2000 Kawasaki KLF300 Bayou 4x4

Twin Air 150501 Racing Air Filter for 1981-82 Honda XR500 2015 Yamaha TT-R50 1984 Honda XL600RTwin Air Racing Replacement Air Filter Part Number: 150501 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