Yamazen Humidifier Filters 2 New + 1 Bonus [Product Details] Brand: YAMAZEN (Yamazen) Product Type: Humidifier Filter Product Name: [Special Price] Yamazen Humidifier Water Scale Filter Set of 3 VH25F-3P Manufacturer: Yamazen (YAMAZEN) Product Number: VH25F-3P Color: White 2 are new and unused. The bonus filter has been used, but has some slight staining (see photo 2). This is a used item stored at home. We pay close attention to inspection, but there may be oversights. Please refrain from purchasing if you are sensitive to such things. Please consider purchasing if you understand the condition. Thank you.