【Universal Compatibility】Compatible with karcher SE 4001, SE 4002, WD 2 Plus S V-15/4/18, WD 2 Plus V-12/4/18, WD 2 Plus V-12/4/18/C, WD 2 Plus V-12/6/18/C Home, WD 2 Plus V-15/4/18, WD 2 Plus V-15/4/18/C, WD 3 V-15/4/20, WD 3 V-17/4/20, WD 3 V-17/6/20Car, WD 3 V-19/4/20, WD 3 S V-15/6/20 Home, WD 3 S V-17/4/20, WD 3 S V-17/6/20 Car, WD 3 S V-19/4/20, WD 3 S V-15/4/20, WD 3 Battery, WD 3 Battery Premium, WD 3 Battery Premium Set, WD 3 Battery Set, WD 3 P S V-17/4/20, WD 3 P V-17/4/20, WD 3 P V-17/4/20 Workshop.

【Premium Filtration Technology】Featuring 3-layer filtration with two layers of durable non-woven fabric and one fine melt-blown fiber layer, these vacuum bags effectively filter out 99.97% of dust, allergens, and particles as small as 2.5 µm. This advanced filtration technology traps fine dust, allergens, and other harmful particles, helping to improve air quality in your home, making it ideal for households with children, pets, or anyone prone to allergies.

【Premium Quality & Durability】Made with tear-resistant fleece material, these replacement bags ensure your vacuum cleaner maintains its high suction power throughout each use. The innovative sealing technology prevents leaks and retains dirt, preventing damage to your vacuum’s motor and ensuring long-lasting performance, even when dealing with wet or coarse debris.

【Easy Installation】Replacing the vacuum bag is quick and easy—no tools needed. Simply remove the old bag and snap in a new one. For optimal performance, we recommend replacing the bag every 2-3 months to keep your vacuum running at its best.