After using my last a01 filter in my latest oil change I realized it's very difficult to get, everywhere is selling the Fram a02 filter which I will not use. I found a new seller on amazon selling a01 filter at reasonable price, after getting the filter I think they are very likely counterfeit, I've never seen the packaging before, it says made in Japan on the box, the shrink wrap is only on the business end, no PLM print on the other end. What do you think?
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