There you go. Good pic Dave.
I bought one similar from Proflow ages back. The only issue I had with it was it didn't have a thermostat built in. I bought an external thermostat and was all set to go but then I saw the Mocal one with all in one.
I now have a very nice Earls
oil thermostat that I'm thinking of selling. Same as this:
Earl's Performance Products Engine Oil Thermostat 501ERL - SummitRacing.com
Before these neat adaptors were around I machined up a low profile filter adapter that Phil N was using.
He has an external filter setup but I think he's switching to one of the new adapters now too.