Originally Posted By: chevrofreak
All of the PF1218's I've looked at recently were the Champion Labs filters that are pretty much identical to the Super Tech filters. I wouldn't have any problem using them, but you might be better served with a Wix.
Do they have a black nylon cage inside of them?
Is this guess work, or does anybody have any real information on this. Even if the construction is the same, the older AC's used to have half again more media than the ST. Never seem to see any numbers on WIX. Nor have I seen any convincing evidence of problems with the Ecores.