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 vacuum cleaner's lifespan, and maintains optimal suction power. Technical specifications Diameter: 19 cm Internal diameter: 14.7 cm Height: 18 cm Material: paper / plastic Form: round Colour: black / yellow Washable Weight: 403 g Replacement cycle: approximately every 6 months Compatibility and accessories Compatible with: Thomas Inox 20 Professional, 1520 Plus, 1530, 1220 Replacement for: 787421 Installation Precision-fit design for easy installation and removal Usage Recommended to replace the filter every 6 months, depending on usage frequency