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 enhances the service life of your vacuum cleaner and preserves its suction power. 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 Matrix WDCNE 1400-20, WDCNE 1400-25 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 The filters are designed for precision-fit, allowing for easy installation and removal. Usage Regularly change the filter to prevent excessive dirt build-up, which can hinder motor cooling and reduce suction power.