HIGH QUALITY - Vacuum cleaner bags for use high-quality kraft paper and a polypropylene filter membrane for better protection of the vacuum cleaner. The for paper filter bags have a thicker design on the cardboard to prevent them from softening. They're durable and sturdy, and worry and money. APPLICABLE MODELS - The 6.959-130.0 vacuum cleaner bags for compatible with the vacuum cleaners A 2201,A 2204,A 2204 ,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. DOUBLE FILTRATION - The for paper filter bag wd3 has a double density structure that can effectively inhibit the survival of , and the dust filtration rate is much higher than that of the cloth bag. This bag can also prevent dust particles from entering the engine compartment and damaging the engine, thereby ensuring the life of the vacuum cleaner. AIR CLEANING - The paper bag 6.959-130.0 can not only hold back normal house dust, it can also store allergenic fine dust such as pollen, house dust mite excrement, and in this for vacuum cleaner bag, which achieves the effect of air cleaning and you can of at all times Family can of. ENVIRONMENTAL HEALTH - In order to the cleaning performance of the vacuum cleaner, we recommend replacing the vacuum cleaner bags for wd3 every 1 to 3 months. The breathable layer of the dust bag filters out different levels of dust and debris to provide maximum capacity and durability. Color: Brown Material: Paper Package Contents: 18 x Dust Bags Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.