I have used these often and have 1 of these PL30001 filters in my stash now. I cut open most of my filters (pureone, napa gold/wix, mobil 1, donaldson) and my thoughts have always been: thin can, good neat media with metal endcaps, leaf spring is lame, silicone is good, still see paint overspray on every filter end, color reminds me of baby poop (honestly who picked this color?), made in USA. Overall solid construction with some tradeoffs to get to the pricepoint.
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