This air conditioning filter effectively removes pollen and PM2.5 particles with its new three-layer structure. I purchased this filter new and intended to replace the one in my car, but due to unforeseen circumstances, I had to sell the car, so this filter is no longer needed. The box has some scratches, but the item is unused. - Brand: PITWORK - Filter Type: Clean Filter - Compatible Vehicles: Mitsubishi vehicles - Part Number: AY68-N5031 - Features: Pollen/Allergy Protection, PM2.5 Support Thank you for looking.