Can you please link your portable ozone generator? Or at least what the name/brand is?
Is it something like this? https://www.boneview.com/collections/boneview/products/ozone
Is it something like this? https://www.boneview.com/collections/boneview/products/ozone
You can search for them by using the model number (ST-807A) or by searching for "ozone generator fridge" on your fav shopping sites.