The filter can filter Micrometre-level dust to prevent secondary pollution. It can be disassembled and cleaned independently, with low replacement cost. Use full-size HEPA filters to improve filtration efficiencyThe integrated bag has a firm neckline, rubber bag seal and sanitary dust 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.Colour:BrownandyellowMaterial:HEPAandpaper bagSize:Dust bag: 81 x 22cmFilter: 12.2 x 11.5cmPackage Contents:5 x dust bags1 x filterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and 1-3cm.About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks for your cooperation and we'll make you feel satisfied.