Motorcycle Filter For Yamaha WR250F 2015-2019 YZ250F YZ250FX 14-19 WR450F 16-18 YZ450F YZ450FX 14-18 Wide compatible with Fit For Yamaha WR250F 2015-2019 YZ250F YZ250FX 14-19 WR450F 16-18 YZ450F YZ450FX 14-18 Simple insertion setup,no extra or reshaping for routine impurity interception,stops fine particles entering engine circulation paths Dense woven filter medium,holds stable structure under long running flow pressure molded outer frame,fits filter housing inner space closely