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 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 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, 3.150, 3.200, 3.230, 3.250, 3.300, 3.300 M, 3.310, 3.370, 3.500, 3.500 P, 3.5000 40, 3.600, 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 large dust particles from entering the engine compartment and damaging the engine, thereby ensuring the life of the vacuum