• Compatible with Hygiene+ ZR200520 / ZR200720 / ZR200920 / Swirl R39, Compact Power, Silence Force 4A, Silence Force 4A Compact, X-Trem Power, Power XXL, RO64xx, RO63xx, RO68xx, RO39xx, RO31xx, RO73xx, RO74xx, RO77xx models. Please confirm the model before purchasing. • Dust bags trap dust and other contaminants, preventing them from entering the environment. They effectively filter particles and dust in the air, purifying the air and reducing pollution. • To avoid clogs and improve vacuum performance, it is recommended to regularly replace the dust bag. • Easy to install: simply pull up to remove the used dust bag. The bag opening automatically closes to prevent dust clouds. Then, install a new bag following the holder's slot. (Remember to turn off the electricity). • Includes 8 high hygienic filtration and anti-odor dust bags. • Product dimensions: 21 cm wide, 3 cm high, 28.5 cm long.