General description Set of 2x cartridge filters for standard, wet, or multipurpose vacuum cleaners. Designed to maintain maximum dust extraction and improve the vacuum cleaner's performance. Ideal for vacuuming dust and coarse dirt particles in homes, garages, or workshops. Technical specifications External diameter: 12 cm Internal diameter: 8 cm Height: 12 cm Weight: 192 g Colour: black / silver / white Compatibility and accessories Compatible with DMS NTSC 30 Replacement for STM42677 Installation Precision-fit design allows for easy installation and removal. Usage Regularly change the filter to keep exhaust air clean and maintain high suction power. Helps prolong the service life of your vacuum cleaner.