Filter bags for Rowenta are compatible with all Silence Force (RO 64xx) RO63xx, RO68xx, RO39xx models and the Silence Force 4A, Silence Force 4A Compact, Compact Power and X-trem Power models. This material ensures optimal airflow and gives your vacuum cleaner more consistent suction power, even when the bag is almost full. Particularly hygienic dust bag replacement because the bag closes automatically when you remove it. The bag closes automatically when you remove it. This prevents dust clouds. Contents: Pack of 10 Rowenta Hygiene + ZR200520 vacuum cleaner bags