For KTM 125 200 250 390 Duke 2017-2023. For KTM 390 Adventure 2021-2024. Process: CNC. 【Cleaner air】Adding a filter screen,cleaner intake for better combustion efficiency. 1 x Air Filter Screen. 【Laser-cutting】Boasts the process of laser-cutting, the accuracy of each cutting part can be ensured for easy installation.