This filter pack is created for the ELECTROLUX vacuum cleaners: Air Max/GREEN, Bolido, Clario, Ergo Space XXL 00…300, ZE 2200…2299, Excellio, Oxygen Z 5500…5695, Ultra Silencer Z 3300…3395, Z 3381, 3382, ZUS 3326…3396. ELECTROLUX high quality filters protect your vacuum cleaner motor from dust particles. The high grade of material used for these filters provides your vacuum cleaner with a high airflow and strong suction power, as well as high filtration level and maximum dust retention. To maintain the optimum performance of your vacuum cleaner, replace filters twice a year or when you notice they are visibly soiled. The use of non genuine ELECTROLUX filters may adversely affect the performance of your vacuum cleaner. This pack includes one microfilter and one motor filter to cut. Filter pack reference: EF 55.