Composite paper dust bag, double filtration of dust, high filtration efficiency, effectively inhibit bacterial survival, one-time use, environmental protection and health. The organizational structure of a relatively dense dust bag, the filtration rate is much higher than that of the bag, can prevent large particles of dust into the motor chamber, damage the motor speed, thus extending the service life of the dust cleaner Type: Vacuum Cleaner Parts Vacuum Cleaner Part Type: Model Number: Dust Bag for ZR0039 RO1717 RO1733 RO1751 Color: Brown Material: Paper Bag Size: Opening: 4.7cm, carton: 9.2 x 8.5cm Package Content: 20 x Dust Bag Only the above package content, other products are not included. Other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.