General description vhbw offers a set of 10 round 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: 18.6 cm Internal diameter: 14.4 cm Height: 13.6 cm Material: polyester Form: round Colour: white / blue Weight: 155 g Compatibility and accessories Compatible with Nilfisk Aero models: 26-21 PC, 26-01 PC X, 26-2L PC, 21-21 PC Inox, 25-21, 25-11, 26. Replacement for part numbers: W11753, P-70219, 107402338, 302000461, 302000490, 7391883815557, 5949659-01, 2607432024, 625324, 630506, 00763290, 4932352304, 4002395369638. Installation The filters are designed for precision-fit, allowing for easy installation and removal.