[Application]The vacuum bag only applies forfor NVM-1CH/604015 HVR200M-22 NQS250B Hetty/HET200A Harry/HHR200A Robot Vacuum, ensuring a perfect fit for your device. (Please check your device model before ordering). [Large Capaity Replacement Bags] Each dustbin bag has a large capacity, strong sealing, dust suppression, easy cleaning, leaving enough space for all naughty particles. [Simple Replacement]Simply remove the full dust bag and install the new one along the holder slot. This straightforward process makes replacement and maintenance effortless. High-Quality Materials: Made from and puncture-resistant materials, these replacement vacuum bags are sturdy enough to handle all kinds of dirt, dust, debris, and pet hair. They are designed to maintain their shape and hold more dirt, ensuring a more efficient cleaning process. [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