In this area the STP blue cans are the still the old Farm Filtration filters. Part Champ with some ecores, part Fram fiber end cap filters like the S2808.
The topic STP is the XL was made in Korea, recently China. Has a nice efficiency rating, but outside of an oil/filter promotion pricey when compared to the FU. A blend type media, and no common 7317/14610 application size.