STP oil filters are cheap. Buy a new one. I could see if it was a European or Japanese-made filter, or a Wix, or a US-made K&N, because those filters are good and could be hard to find, but an STP, not worth it.
I have a couple of M1 filters made in 2008, and they look brand new, and even the box does, too.
Get a Napa Silver/ProSelect, Carquest Red, or Microgard.