[Working principle of car fresh air grille]:
The car fresh air grille filters dust, odor and harmful gases in the outside air through materials such as filters and activated carbon to ensure fresh air in the car.
1. Observe the material: high-quality products use high-quality filters and activated carbon materials with uniform and fine texture.
2. Test effect: Test the air filtration effect after installation to see if it can effectively remove odors and harmful gases.
3. Brand reputation: Choose NIBD brand products with good reputation and credibility, and the quality is more guaranteed.
