Features:* * for durability * Empty the tank quickly and efficiently without releasing harmful dust into the environment * As part of normal maintenance, it can be easily removed and replaced * The ventilation layer of the dust bag filters different levels of dust and debris to ensure maximum capacity and durability * Improves the flexibility of the bags to prevent them from falling out when handling dirt, dust and hair* It can remove 99.9% of fine dust particles, protect the air in the living environment, and ensure the life of the vacuum cleaner* 3L bag capacity (up to 1 month autonomy), fully sealed dust bag to prevent allergies.* Fits Kärcher WD1Package Contents:5 * Vacuum Cleaner BagsNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.