Stock Hose size for SCWD?

[kysard1]

I have seen this mentioned as having 3/8", 1/2", and 3/4" stock.

On new ones which is it?

 

[sjm817]

OD is 3/4" (hose size). ID is 3/8" (flow killer)

 

[Brack-Man]

My SCWD takes 3/4" ID hose, inside of the holes on the input/output of the SCWD are 1/2"