That is the Purolater "Pure One" PL3001
I have used this filter for a couple of years now.  That filter report is
where I learned about them.

John McLean   87  Vanagon  GL

> On what type of vehicle? If you are really concerned about "getting
> better flow" one of the listees has an DIY oil filter study/report
> online. Pretty darned thorough. My take-away was "use Purolator". I use
> the size for an Ford V-8 (corresponds with Fram PH8A) It holds nearly a
> full quart, and the report says it's a pretty decent filter.
>
> Who has that report?
>
>
> I was advised to use a diesel oil filter in order to get a better oil
> flow when the oil is cold.  Please comment anyone?
> Best regards.
>