General description For 11090 Revolution Dust Bag is made of premium material, ensuring practical use and durability. It features fine workmanship, making it more sturdy than standard options. Technical specifications Material: Cloth Package Contents: 30 Dust Bags Measurement allowed error: +/- 1-3 cm Usage Please clean the filter frequently and replace the brush and filter every 2-3 months, depending on usage frequency, to maintain high performance of your vacuum cleaner. Other information Note: There may be slight color differences between the actual product and the images due to light reflection and different displays.