It doesn't matter. Since the mid-eighties, it hasn't mattered. You can't find bad oil anymore. If this thread doesn't prove it to you, check
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Which oil? [Merged 1-8]
As for the filter? If you're asking, you have too little grasp of how much of your oil isn't filtered while the engine's running. If there's crap being shed inside your motor that's large enough for a filter to stop, the pin is already out of its grenade and the fuse is burning.
