Hiflofiltro HFF6012 Dual Stage Racing Foam Air Filter Fits: Husqvarna CR/WR 125 92-13, CR/WR 250 92-13, TC/TE/TXC 250 4-stroke 02-13, WR 300 09-12, TE 310 12-13, CR/WR360 92-03, TE/TC/TXC/SM 450 02-13, TE 510 03-10 Competition off-road air filters manufactured in the Netherlands using a special dual-layer foam, formulated for maximum filtration and optimum air flow for improved power Coarse open-pore foam catches airborne dirt, grime and sand while the fine open-pore inner foam acts as a second filter to trap the smallest particles Top quality materials and superior construction allow the filter to be used over and over again without any loss of performance