Compatible with Karcher vacuum cleaners: suitable for Karcher WD 4, WD 5, WD 6, MV 4, MV 5, MV 6 folding filters, including all special models: WD 5 P, MV 5 P , WD6P, WP5, P, Premium, Car suite, decoration. Replace 2.863-005.0/28630050High filterability : the filter dust acts as a sieve to remove impurities from the exhaust gases of the Kaercher vacuum cleaner. It can filter fine dust particles down to dust. 40 m (= 0.04 mm), such as dust, smoke particles and pollen.Maintaining suction power: your Kaercher vacuum cleaner maintains a suction power of 100 %. To ensure this, you should change the filter (usually children, pets or smokers) at least every six months.Regular replacement: With our pleated filter, you can use a vacuum cleaner to remove all wet and dry dirt without changing the filter. However, please clean the filter of the vacuum cleaner regularly and check that it is not damaged, and replace it immediately if necessary.After-sales service fast: If you have any questions about our filters, please contact us as soon as possible. We offer you the best solution.