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 lid to prevent spills. Applicable model: Vacuum cleaner bag: Kärcher WD3200.WD3300. WD3500, etc., filter: KÄRCHER Kärcher A2004/A2054/A2204/A2656/WD2.250/WD3.200/WD3.300, etc. Color: Brown+Yellow Material: HEPA+Paper bag Size: Vacuum cleaner bag: 8cm Filter: 2cm Filter.2 x 11.5cm Package contents: 5 x Vacuum cleaner bags 1 x Filter Only 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 allowed measurement error is +/- 1-3 cm. About shipping: All items will be shipped within 3 business days after the payment is received. Mostly you will receive them within 8-12 days then. The specific delivery time depends on circumstances. If you have any questions, please contact us During the shopping process, if you have any questions, please contact us, we will reply to you within 24 hours, wish you a happy shopping Thanks for your cooperation and we will make you satisfied.