Maxima Racing Oils MTX-7001-00 ProFilter Premium Air Filter Sherco M/C 80/125/200/250/290/ 320 4-Stroke Trials 99-09 Reusable long life air filter with permabond ultra high strength seams Heat laminated, dual-stage, chemical resistant, polyester-based reticulated foam 15 millimeter high flow filtering thickness and plush 13 millimeter sealing foam Low profile rubber grommet and packaged individually in a resealable bag