General description vhbw offers a set of 3 cartridge filters designed for standard, wet, or multipurpose vacuum cleaners. These high-quality filters are essential for effective dust extraction, ensuring that your vacuum cleaner operates at peak performance. Regular replacement of the filters helps maintain clean exhaust air, prolongs the life of your vacuum cleaner, and preserves high suction power. Technical specifications Internal diameter: 14.5 cm Dimensions (L x W x H): 18.8 x 18.8 x 16.5 cm Shape: round Color: white Compatibility and accessories Compatible with Pra PJ700, PJ4500, PJ500, PJ1100, PJ4000, PJ1000 Replacement for: 2351110, 3.752.0032, 72800205, 10007544, 6.904-042.0, RU-30.1, NT RU-30.1, 6.904-170.0 Installation The filters are designed for precision-fit, 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 reduce suction power.