Replacement cartridges Hepa for the Atrix Express Vac toner vacuum cleaners. Suitable for cleaning very fine dust, dirt, soot, pollen, black toner and all types of color toners from, for example, copiers and laser printers. The effectiveness of the HEPA filter is 99.97% and it filters particles from 0.3 microns. Set of 2 pieces. Type 730333.