The filter can filter dust at the micrometer level to prevent secondary contamination. It can be disassembled and cleaned independently, with low replacement cost. Use full size HEPA filters to improve filtration efficiency. The integrated bag has a fixed neck, rubber bag seal and cover to prevent spillage. Applicable model: Dust bag: Karcher WD3200.WD3300. WD3500, etc., filter: KARCHER Karcher A2004/A2054/A2204/A2656/WD2.250/WD3.200/WD3.300, etc. Color: Brownandyellow Material: HEPAandpaper bag Size: Dust bag: 8cmFilter: 2cmFilt.2 x 11 .5 cm Package contents: 5 x dust bags 1 x filter Only the above package contents, other products are not included. Note: Light photography and different displays may cause the color of the item in the picture a little different from the real thing. The permissible measurement error is 1-3 cm. About Shipping: All items are shipped within 3 business days after payment is received. Most times you will receive them within 8-12 days then. The specific delivery time depends on the circumstances. Any questions, please During the shopping process, if you have any questions, please feel free to , we will reply you within 24 hours, wish you a pleasant shopping Thank you for your cooperation and we will make you feel satisfied. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.