MUGEN multi-layer air filter, can be reused by cleaning with K&N cleaner and applying oil. Please refer to the instruction manual for details. *Improved response. - Brand: MUGEN - Type: Air Filter - Filter Structure: Multi-layer filter - Included: K&N Filter Cleaner, Oil *The main unit has been used for about 3 years and is being sold after the second maintenance (cleaning). (Can be used as is) The reason is that I switched vehicles. - Cleaner (cleaning solution) is about half full. - Oil is about a quarter full. Applicable models: FIT (GK3-6) FIT HYBRID (GP5.6) VEZEL (RU1-4) GRACE (GM4.5) Thank you. #Mugen #AirCleaner #K&N