[Tool-Free Installation]Enjoy a hassle-free replacement experience with our accessories that are designed for quick and easy installation, allowing you to maintain for your H50 Ulrta /H50 Robot Vacuum with minimal effort and no additional tools required. [Good Sealing] --- The dust bag is made of melt-blown fabric and non-woven fabric, combined with the cleaning station can effectively capture 99.7% of ultra-fine dust down to 0.3 tiny particles. [Auto Lock] --- It lock automatically when you lift the dust bag, completely sealing the dust bag inlet to dust and dirt stay inside the bag. [Tips for Use] --- In order to keep your robot running at its best, please clean and replace parts in time. If you have allergies and pets , it is recommended to replace the dust bag every 2-3 weeks. Large capacity: The dust bag has a large holding space, which can collect more dust and reduce the cleaning frequency.Easy to replace: dust bag design is simple and easy to use, easy to replace, no special