In summary, the obvious winner here is the PG Vietnam built Microguard Select. The pleats are laser straight and plentiful along with a very nice silicone ADBV and gasket. The runner up would be the PG China made STP XL3675, its a smaller filter but still built well just not quite like its Vietnam brother. Nice silicone ADBV and gasket though. Next would be the M+H built Mobil 1. Glue job was sloppy but that is null. the base plate for the M1...
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