General description vhbw offers a set of four 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: 18.4 cm Internal diameter: 14.5 cm Height: 16.5 cm Form: round Colour: blue / yellow Weight: 280 g Suitable for wet & dry vacuuming Compatibility and accessories Compatible with Aqua Vac models: 7402 B / P, 7400, 7402, 73042, 73031, 7402 B, 7402 P, 740, 73021 Replacement for part numbers: 2351110, 6.904-042.0, 6.904-170.0, 3.752.0032, 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 prevent excessive dirt build-up, which can hinder motor cooling and