This is a genuine paper filter for Mitsubishi electric vacuum cleaners, featuring a 3-layer structure with Binchotan charcoal for deodorizing effect and high dust collection efficiency. - Manufacturer: Mitsubishi Electric - Model Number: MP-9 - Contents: 5 pieces - Features: Contains Binchotan charcoal, deodorizing function, 3-layer structure - Compatible models: MP-9, MP-7, MP-5, MP-3, MP-2 New and unopened. 1 bag, 5 pieces per bag. Bag opened, but contents are new. Contains 5 pieces and 4 pieces. Making a total of 14 pieces. Sold on Amazon as a new 3-piece set for 14,800 yen. Please consider before buying, if you are particular about product condition. We would be happy if you could purchase it at a low price, understanding that the bag has been opened.