Maxima Racing Oils AFR-1003-01 ProFilter Ready-To-Use Air Filter Honda M/C CRF 250R 10-11/CRF 450R 09-11 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