PLEASE NOTE: These filters are not compatible with for X- Power Cyclonic vacuum cleaners. Filter Kit for your , for and Compact Power Cyclonic vacuum cleaner. A superior quality alternative to the part ZR005901. Confirm the correct models before making your purchase. Compatible with for models: RO3718EA, RO3724EA, RO3731EA, RO3753EA, RO3786EA, RO3798EA; for : MO3718PA, MO3723PA, MO3751PA, MO3774PA, MO3786PA; : TW3724RA, TW3731RA, TW3753EA, TW3786RA. The maintenance of the filter cassette and the filter sponge must be carried out every month.