General description vhbw offers a set of 5 replacement cartridge filters designed for Kärcher WD 4, WD 4.200, WD 4.250, and WD 4.290 wet and dry vacuum cleaners. These high-quality filters are essential for maintaining optimal dust extraction and ensuring clean exhaust air. Regular replacement of the filters enhances the vacuum cleaner's performance and prolongs its service life. Technical specifications Form: round Colour: black / yellow Type: for wet & dry vacuuming Coating: nano ceramic Material: very strong filter material Function: ensures optimum air flow for greater suction power Compatibility and accessories Compatible with Kärcher WD 4 Compatible with Kärcher WD 4.200 Compatible with Kärcher WD 4.250 Compatible with Kärcher WD 4.290 Replacement for Kärcher 6.414-960.0 Installation These filters are designed for precision-fit, allowing for easy installation and removal. Usage Regularly change the filters to maintain high suction power and ensure clean exhaust air.