Close-up of two gutted oil filter cans showing center tubes and…

Close-up top view of two cut-open spin-on oil filters resting on a scratched metal surface, both stained with dried oil residue. The left one shows the metal anti-drainback valve support inside the center tube, and the right one has a pleated filter media edge visible plus red date-stamp printing on its can.

AI caption September 2009 · Photo 26 of 981