1961 p/u oil bath cleaner.

[LosBarberos]

So I have a question regarding the "oil bath air cleaner".
I have a 61 apache 10 with a straight 6 235 and it's missing , what I thought it was a regular air filter, but now I'm finding out its a "oil bath" air filter. I'm not sure if there's a mount I'm missing that I need for the filter to bolt on. Here's a picture of how my carb looks at the moment. (zoom in for better look) any info would help.




Are these hard to find? Does anyone know where or who might sell one?
I want to learn a bit more about this oil bath filter so can anyone help me with a link or place I can read more about it. I been doing my search but can't really seam to find anything. I might not be typing the correct terms or words.