General description vhbw offers a set of 2x motor filters designed for various vacuum cleaner models, including standard, robotic, wet, and multipurpose types. Regular replacement of these filters is essential for optimal dust extraction and motor protection against impurities, which ultimately enhances the vacuum cleaner's service life and maintains high suction power. Technical specifications Dimensions (L x W x H): 18 x 9.1 x 18 cm Largest width: 9.1 cm Material: plastic / foam Colour: red / black Compatibility and accessories Compatible with Bosch BCH3ALL25/03 Compatible with Bosch BCH3K210/01 Compatible with Bosch BCH3ALL25/01 Compatible with Bosch BCH3K210/03 Compatible with Bosch BCH3K210 Compatible with Bosch BCH3ALL25 Replacement for 12026520 Usage It is recommended to change the filters every 6 to 12 months or when the vacuum cleaner's cleaning efficiency decreases.