Ridgid 23738 VF3501 Filter Bag

Hello there! Thank you for posting your query about the Ridgid 23738 VF3501 filter bag. It doesn’t have an N rating as the filter material used in this filter bag is not intended for any purpose other than to protect the end user from particles or debris being expelled back into the air during operations and store captured particles and debris. This is not designed to be used to directly protect humans from viruses, bacteria, or other pathogens. We hope this information helps. Should you have any other concerns, don’t hesitate to ask away. Thank you for contacting PlumbersStock! Have a great day!