General description vhbw offers a set of two high-quality cartridge filters designed for standard, wet, or multipurpose vacuum cleaners. These filters are essential for maintaining maximum dust extraction and ensuring clean exhaust air. Regular replacement of the filter is crucial to enhance the service life of your vacuum cleaner and maintain optimal suction power. Technical specifications Filter class: F9 External diameter: 12 cm Internal diameter: 8 cm Height: 11.3 cm Form: round Colour: yellow Compatibility and accessories Compatible with Kärcher models: A 4000 Plus, K 2000, K 2150, K 2301, K 2901 F, K 4000 TE, NT 27/1 ME Adv Professional, WD 2250 Replacement for part numbers: 41864-A, RS-RU7501, 6.414-547.0, 6.414-552.0, 6.414-772.0, 9.755-260.0, 2.863-303.0, KFI 3310 Installation The filters are designed for precision-fit, allowing for easy installation and removal. Regularly check and replace the filter to prevent motor overheating and maintain suction power. Usage These