Motorcycle Air Filter Intake Cleaner Fit For Kawasaki Ninja400 Ninja 400 2017 2018 2019 2020. Filter panel made of high quality stainless steel mesh and filter paper,It can effectively reduce the air intake during engine start-up,Invasion of external dust and small pollutants. Let the engine run more smoothly and reflect the power of the motorcycle. They can be easily wiped or rinsed clean, dry efficiently, and maintain their shape and quality over time. This organized approach works well for family outings, outdoor adventures, or extended travel.