It blocks dust, pollen and sand particles, allows clean air to be accurately mixed with fuel, guarantees combustion efficiency, and extends the life of the cylinder block and piston ring.The high-flow filter element adopts multi-layer cotton yarn or special sponge, which takes into account filtration and ventilationy the throttle response is lighter; some competition-grade products use metal mesh to superimpose grease to capture fine dust, which can be cleaned repeatedly, which is economical and environmentally friendly.Regular cleaning or replacement can avoid power loss y soaring fuel consumption, so that the car can breathe smoothly for a long time and gallop all the way.