This is a replacement deodorizing filter for a National air purifier. It's an old model, so I don't expect many people to have compatible machines, but if anyone needs it, please feel free to inquire. Please don't hesitate to contact me if you have any questions. I can offer a discount if you're okay with it being rolled up for compact shipping. I plan to list it for about a month and will dispose of it if there are no interested buyers. - Brand: National - Product Name: Deodorizing Filter - Compatible Models: F-ZZ206C, F-PCC08 Thank you for looking.