General description This vhbw replacement filter is designed for Kärcher NT 301 (1.722-121.0) and NT 351 vacuum cleaners. It ensures optimal dust extraction and is ideal for vacuuming dust and coarse dirt particles in various environments such as homes, garages, or workshops. Regular replacement of the filter is essential to maintain clean exhaust air, prolong the vacuum cleaner's service life, and ensure high suction power. Technical specifications Outer diameter: 190 mm Height: 19.7 cm Material: paper Form: device-specific Colour: yellow Washable Weight: 200 g Compatibility and accessories Compatible with Kärcher NT 301 (1.722-121.0) Compatible with Kärcher NT 351 Replacement for Kärcher 6.414-354.0, 6.414-335.0 Not compatible with Kärcher A 2201 Installation Filter can be installed and removed easily due to precision-fit dimensions. Attachment options include a bayonet lock or a knurled nut. Usage Regularly change the filter to protect the motor and maintain suction power.