APPLICABLE MODLES - The vacuum cleaner bags 6.959.130 are 100% compatible with the vacuum cleaners A 2201, A 2204, A 2204 AF, A 2206 X, A 2236 X pt, A 2251 Me F1, A 2254 Me, A 2534 pt , A 2554 Me, A 2 Me, A 604, A 2654 Me, A 2656 X Plus, WD3, MV3, SE 4001, SE 4002, WD 3.150, WD 3.200, WD 3.230, WD 3.250, WD 3.300, WD 3.300 M, WD 3.310, WD 3.370, WD 3.500, WD 3.500 P, WD 3.5000 40, WD 3.600, WD 3.800, A 2231 PT.HIGH QUALITY - Dust bags use kraft paper and membrane polypropylene filter to better protect the vacuum cleaner. The premium wd3 vacuum bags have a thicker design on the cardboard to avoid sagging, they are durable and sturdy, saving you hassle and money.DOUBLE FILTRATION - The wd3 vacuum bag has a double density structure, which can effectively inhibit the survival of bacteria, and the dust filtration rate is much higher than that of the cloth bag. This vacuum bag can also prevent large dust particles from entering the motor cavity and damaging it, thus ensuring the life of the vacuum cleaner.AIR PURIFICATION - The 6.959-130.0 bags can not only retain ordinary indoor dust, but also allergen fine dust such as pollen, mite excrement, bacteria and in this karcher vacuum bag, thus achieving the effect of air purification and taking care of the health of your family at all times.ENVIRONMENTAL HEALTH - You will receive 10 vacuum cleaners wd3 disposable, ecological and hygienic bags. To ensure the cleaning performance of the vacuum cleaner, we recommend replacing the vacuum bags every 13 months. If you are not satisfied with our product, please contact us and we will solve your problem until you are satisfied.