General description vhbw offers a set of two high-quality cartridge filters designed for standard, wet, or multipurpose vacuum cleaners. These filters are essential for maintaining maximum dust extraction and ensuring clean exhaust air. Regular replacement of the filters not only enhances the suction power of your vacuum cleaner but also prolongs its service life. Technical specifications External diameter: 19 cm Internal diameter: 14.5 cm Height: 16.5 cm Form: round Colour: blue / yellow Suitable for wet & dry vacuuming Compatibility and accessories Compatible with Praktiker models: PJ1000, PJ1100, PJ4000, PJ4500, PJ500, PJ700 Replacement for part numbers: 2351110, 6.904-170.0, 3.752.0032, 6.904-042.0, 72800205, NT RU-30.1, RU-30.1 Installation These filters feature precision-fit dimensions, allowing for easy installation and removal. Usage Regularly changing the filter is crucial to keep the exhaust air clean and maintain high suction power. A clogged filter can hinder motor