Maxima Racing Oils AFR-5007-00 ProFilter Ready-To-Use Air Filter KTM M/C 125/144/150/250/300 SX (2-Stroke)/250/350/450 SX/SXS-F (4-Stroke) 2011/250/350 XC-F 2011 Bonded dual-stage open cell foam matrix with 6 millimeter outer foam and 10 millimeter inner foam layer Washable and re-useable, with high strength glued seams that won't fall apart Pre-oiled with Maxima FFT filter oil Complete with disposable gloves and packaged in a resealable bag