General description vhbw offers a set of 2 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 enhances the vacuum cleaner's service life while maintaining 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 BBH3211GB/01 Compatible with Bosch BBH3211GB/03 Compatible with Bosch BBH32101/03 Compatible with Bosch BBH32101/01 Compatible with Bosch BBH3211GB Compatible with Bosch BBH32101 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.