I inspected all of the Pentius filters I have on hand for this type of defect. Twelve PLXL2 filters and eleven remaining PLXL10575 filters. My daughter did find one slug that had not been fully punched out in one of the PLXL2 filters. She picked at it with a small screwdriver for a while and was unable to dislodge it. I feel pretty sure it would not have gone anywhere but to be on the safe side I tossed it out. The photo with the flashlight from the outside is before it was picked at and the photo with the borescope is after it was picked at. The borescope came in really handy inspecting the areas by the baseplate and my daughters good eyes came in handy inspecting the rest.
Once again, I will never screw a filter onto any of my vehicles without a thorough inspection for this or any other type of defect. This thread has been a real eye opener for me.
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