KENT Magic Car Air Purifier uses HEPA technology to clear hazardous pollutants. HEPA (High Efficiency Particulate Arrestor) filter removes 99% fine particles and toxic gases from the air by using a unique three stage filtration process.KENT Car Air Purifiers use HEPA filter that effectively removes PM 2.5 and SPM (Suspended Particulate Matter) that is present in the indoor air. The specially treated activated carbon filter of the air purifier also helps in absorbing any foul odour or smell present in the indoor air. It employs a specially treated activated carbon filter that effectively absorbs any odour/foul smell in the air, volatile organic compounds, oxides of sulphide and nitrogen, hydrocarbons, cigarette smoke, dust, pet odour, etc.