Compatible: for WD3 Wet & Dry, WD 3 P Wet & Dry, Wd3 Wd3300 Wd3.500P Mv3 Wd3200 Se4001 Se4002 6.959-130.0, MV3 Series Vacuum Cleaner. Keep your vacuum working! Perfect for people who suffer from dust or allergies. Remove dust and allergens while vacuuming to improve the air quality in your home.. Reduce Cleaning Time: Vacuum cleaners handle debris quickly and easily, which reduces the time needed to clean wet and dry vacuum cleaners. Composite paper dust bag, double filtration dust, high filtration efficiency, effectively inhibit bacterial survival, one-time use, environmental protection and health. Vacuum cleaner dust collectors, replaceable and convenient to use. Replace the vacuum every 30-60 days. Small and compact, easy to store and use. Easy to use and install. Easy to clean and easy to deposit Just small and small debris. Can be used for your daily collection to meet the fine dust. Color: as shown Material: Paper Package Contents: 20 x Dust Bag Only the above package content,