I emailed Wix and asked what the shelf life of their oil filters are (when kept in a cool, dry place, out of sunlight).
Their response:
"The shelf life of cellulose media in filters is 5 to 7 years.
3 to 5 years if the media has a phenolic Resin baked in to repel water"
Their response:
"The shelf life of cellulose media in filters is 5 to 7 years.
3 to 5 years if the media has a phenolic Resin baked in to repel water"