Our manufacturer makes a LOT of filament. And they have VERY HIGH standards. The result of these two facts is that they inevitably end up with some spools that don't quite make the cut. For one reason or another, they aren't good enough to put in their branded boxes. They are not necessarily too bad to use, but they just don't meet the stringent standards.
Reasons these spools didn't make the cut could include one (or more) of the following:
Conditions to ordering: