General description This vhbw cartridge filter is a compatible replacement for Einhell B-NT 1250, EMK 1000, SMK 300 / E, and Universal 18-50l vacuum cleaners. It is designed for standard, wet, or multipurpose use, ensuring maximum dust extraction and maintaining high suction power. Regular replacement of the filter is essential to keep the exhaust air clean and prolong the life of your vacuum cleaner. Technical specifications External diameter: 18.8 cm Internal diameter: 14.5 cm Height: 16.5 cm Form: round Colour: blue / yellow Suitable for wet & dry vacuuming Compatibility and accessories Compatible with Einhell B-NT 1250, EMK 1000, SMK 300 / E, Universal 18-50l Replacement for part numbers: 2351110, 3.752.0032, 72800205, RU-30.1, NT RU-30.1, 6.904-042.0, 6.904-170.0 Installation The filter features precision-fit dimensions for easy installation and removal, ensuring a hassle-free replacement process. Usage Regularly changing the filter is crucial to prevent excessive dirt build-up,