The replacement dust bag is compatible with CordZero Tower models A939KBGS, A938KBGS, A937KGMS, and A949KTMS. Please verify your vacuum model before purchasing. This is a third-party accessory designed to fit and perform like the original. Good sealing: The dust bag is constructed from melt-blown and non-woven fabric. When used with the cleaning station, it captures 99.9% of ultra-fine particles as small as 0.3 microns. Auto-lock feature: The dust bag automatically seals when lifted, locking in dust and debris. The built-in window allows you to monitor fill level and debris accumulation. Usage tips: Dispose of the bag when full. Each bag can hold the equivalent of more than 3 compressed bins. For optimal performance, replace the dust bag regularly. Energy saving: Using dust bags helps extend the life of your vacuum cleaner and reduces maintenance costs. Suitable for: Hardwood floors, ceramic tile, marble, and other hard surfaces. Recommended for use in: Living room, bedroom, kitchen, and similar areas. Color: White Material: Non-woven fabric Package includes: 10 x Dust Bag Note: The package includes only the items listed. Other accessories are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.