Two port breather - Alternatives?

1970 Plymouth Duster. Originally /6 but now have a 273. This breather came of my slant 6. The small hose, is that for gas tank ventilation?
I was thinking of blasting and painting my valve covers with black wrinkle paint and I thought it would look nice with a chrome breather (i have the pcv hooked up on the other side). I can't seem to find an aftermarket breather with 2 ports like the one I have. I dont want to compromise the system. How did all the other guys with nice and chrome 1 port breathers work around this?

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