General description vhbw offers a set of three cartridge filters designed for standard, wet, or multipurpose vacuum cleaners. These high-quality filters are essential for effective dust extraction, making them ideal for use in homes, garages, or workshops. Regular replacement of the filters ensures clean exhaust air, prolongs the life of your vacuum cleaner, and maintains optimal suction power. Technical specifications External diameter: 17.9 cm Height: 24.8 cm Form: round Colour: white Compatibility and accessories Compatible with Kärcher NT 90/2 Me Classic BR 220 V Compatible with Kärcher NT 90/2 Me Classic CN Replacement for part numbers: 6.907-038.0, 9.770-988.0 Installation These filters feature precision-fit dimensions, allowing for easy installation and removal. Usage Regularly changing the filter is crucial to prevent excessive dirt build-up, which can hinder motor cooling and reduce suction power.