Negative ion air freshener for A B CLA GLA GLB-Class vehicles1、Fitment: Car air freshener system is fit for A‑class W177 2018+, fit for B‑class W247 2019+, fit for CLA‑class C118 2019+, fit for CLA‑class X118 2019+, fit for GLA‑class H247 2020+. 2、Fresh Fragrance: Car fragrance air ionizer provides your car's interior with a unique scent that matches your personal preferences and brings you a pleasant mood. 3、Comfortable Enjoyment: Car air fragrance system helps ensure improved air quality and pleasantness due to fresh ionization and filtration of external and internal air. 4、Controlled Scent Intensity: The intensity of the fragrance can be controlled as you wish, charming fragrance with a gentle emanation, and the smell dissipates quickly after closing, the perfume molecules are not deposited on the car interior fabric surface or clothing. 5、Powerful Filtration: The filtration system with activated carbon filters removes fine particles from the external and internal air, thus adsorbing sulfur dioxide, nitrogen oxides and aromatic hydrocarbons. This also applies to odorous substances produced in agriculture.