The Nilfisk Aero 21/26/31 & Vl200 Filter Bag set includes 5 vacuum cleaner bags designed specifically for Nilfisk vacuum cleaners. These bags are compatible with models such as AERO 21, AERO 26, AERO 31, and VL200. The set is perfect for those looking to replace their old or worn-out vacuum bags with high-quality, compatible replacements. Made by the trusted brand Nilfisk, these bags are designed to effectively filter out dirt, debris, and allergens from your vacuum cleaner, ensuring a clean and healthy environment.