I am going to email a couple of pressure washer supply places to see if they know where to find that middle piece, if we can find it, I think this can be done for less than $40.
Yall be on the lookout too, I have to have some FOAM!
Very simple but it might do the trick. It's a very simple device actually. All it is, is a venturi nozzle with a bottle. Not much different than an airbrush.