More..
Here is another Vietnam and this one has the Leak Tested and also the VAFI signature type stamp with code 8748.. I think Highline Warren is just contracting with two different plants there in Vietnam , VAFI obviously and then another which is your filter Glenda with that other code on top.. and then the third factory in Korea which I think I found that one and will be posting on that later. Premium Guard never uses any other factory out of Vietnam except VAFI so that is also an indicator they are not behind this production IMO.
https://www.highlinewarren.com/blog...becomes-exclusive-supplier-of-Mobil-1-filters
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